208981968

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 607461120

約数和(自身を除く): 398479152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 53, 71, 78, 89, 104, 106, 142, 156, 159, 178, 208, 212, 213, 267, 284, 312, 318, 356, 424, 426, 534, 568, 624, 636, 689, 712, 848, 852, 923, 1068, 1136, 1157, 1272, 1378, 1424, 1704, 1846, 2067, 2136, 2314, 2544, 2756, 2769, 3408, 3471, 3692, 3763, 4134, 4272, 4628, 4717, 5512, 5538, 6319, 6942, 7384, 7526, 8268, 9256, 9434, 11024, 11076, 11289, 12638, 13884, 14151, 14768, 15052, 16536, 18512, 18868, 18957, 22152, 22578, 25276, 27768, 28302, 30104, 33072, 37736, 37914, 44304, 45156, 48919, 50552, 55536, 56604, 60208, 61321, 75472, 75828, 82147, 90312, 97838, 101104, 113208, 122642, 146757, 151656, 164294, 180624, 183963, 195676, 226416, 245284, 246441, 293514, 303312, 328588, 334907, 367926, 391352, 490568, 492882, 587028, 657176, 669814, 735852, 782704, 981136, 985764, 1004721, 1174056, 1314352, 1339628, 1471704, 1971528, 2009442, 2348112, 2679256, 2943408, 3943056, 4018884, 4353791, 5358512, 8037768, 8707582, 13061373, 16075536, 17415164, 26122746, 34830328, 52245492, 69660656, 104490984, 208981968]

約数ペア:

[(1, 208981968), (2, 104490984), (3, 69660656), (4, 52245492), (6, 34830328), (8, 26122746), (12, 17415164), (13, 16075536), (16, 13061373), (24, 8707582), (26, 8037768), (39, 5358512), (48, 4353791), (52, 4018884), (53, 3943056), (71, 2943408), (78, 2679256), (89, 2348112), (104, 2009442), (106, 1971528), (142, 1471704), (156, 1339628), (159, 1314352), (178, 1174056), (208, 1004721), (212, 985764), (213, 981136), (267, 782704), (284, 735852), (312, 669814), (318, 657176), (356, 587028), (424, 492882), (426, 490568), (534, 391352), (568, 367926), (624, 334907), (636, 328588), (689, 303312), (712, 293514), (848, 246441), (852, 245284), (923, 226416), (1068, 195676), (1136, 183963), (1157, 180624), (1272, 164294), (1378, 151656), (1424, 146757), (1704, 122642), (1846, 113208), (2067, 101104), (2136, 97838), (2314, 90312), (2544, 82147), (2756, 75828), (2769, 75472), (3408, 61321), (3471, 60208), (3692, 56604), (3763, 55536), (4134, 50552), (4272, 48919), (4628, 45156), (4717, 44304), (5512, 37914), (5538, 37736), (6319, 33072), (6942, 30104), (7384, 28302), (7526, 27768), (8268, 25276), (9256, 22578), (9434, 22152), (11024, 18957), (11076, 18868), (11289, 18512), (12638, 16536), (13884, 15052), (14151, 14768)]