31990608

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:793

約数の個数: 120

約数和(自身を含む): 100743552

約数和(自身を除く): 68752944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 48, 52, 69, 72, 78, 92, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 299, 312, 368, 414, 468, 552, 598, 624, 743, 828, 897, 936, 1104, 1196, 1486, 1656, 1794, 1872, 2229, 2392, 2691, 2972, 3312, 3588, 4458, 4784, 5382, 5944, 6687, 7176, 8916, 9659, 10764, 11888, 13374, 14352, 17089, 17832, 19318, 21528, 26748, 28977, 34178, 35664, 38636, 43056, 51267, 53496, 57954, 68356, 77272, 86931, 102534, 106992, 115908, 136712, 153801, 154544, 173862, 205068, 222157, 231816, 273424, 307602, 347724, 410136, 444314, 463632, 615204, 666471, 695448, 820272, 888628, 1230408, 1332942, 1390896, 1777256, 1999413, 2460816, 2665884, 3554512, 3998826, 5331768, 7997652, 10663536, 15995304, 31990608]

約数ペア:

[(1, 31990608), (2, 15995304), (3, 10663536), (4, 7997652), (6, 5331768), (8, 3998826), (9, 3554512), (12, 2665884), (13, 2460816), (16, 1999413), (18, 1777256), (23, 1390896), (24, 1332942), (26, 1230408), (36, 888628), (39, 820272), (46, 695448), (48, 666471), (52, 615204), (69, 463632), (72, 444314), (78, 410136), (92, 347724), (104, 307602), (117, 273424), (138, 231816), (144, 222157), (156, 205068), (184, 173862), (207, 154544), (208, 153801), (234, 136712), (276, 115908), (299, 106992), (312, 102534), (368, 86931), (414, 77272), (468, 68356), (552, 57954), (598, 53496), (624, 51267), (743, 43056), (828, 38636), (897, 35664), (936, 34178), (1104, 28977), (1196, 26748), (1486, 21528), (1656, 19318), (1794, 17832), (1872, 17089), (2229, 14352), (2392, 13374), (2691, 11888), (2972, 10764), (3312, 9659), (3588, 8916), (4458, 7176), (4784, 6687), (5382, 5944)]