261978288

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{38167}}^1$

素因数の和:38202

約数の個数: 80

約数和(自身を含む): 795115776

約数和(自身を除く): 533137488

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 176, 208, 264, 286, 312, 429, 528, 572, 624, 858, 1144, 1716, 2288, 3432, 6864, 38167, 76334, 114501, 152668, 229002, 305336, 419837, 458004, 496171, 610672, 839674, 916008, 992342, 1259511, 1488513, 1679348, 1832016, 1984684, 2519022, 2977026, 3358696, 3969368, 5038044, 5457881, 5954052, 6717392, 7938736, 10076088, 10915762, 11908104, 16373643, 20152176, 21831524, 23816208, 32747286, 43663048, 65494572, 87326096, 130989144, 261978288]

約数ペア:

[(1, 261978288), (2, 130989144), (3, 87326096), (4, 65494572), (6, 43663048), (8, 32747286), (11, 23816208), (12, 21831524), (13, 20152176), (16, 16373643), (22, 11908104), (24, 10915762), (26, 10076088), (33, 7938736), (39, 6717392), (44, 5954052), (48, 5457881), (52, 5038044), (66, 3969368), (78, 3358696), (88, 2977026), (104, 2519022), (132, 1984684), (143, 1832016), (156, 1679348), (176, 1488513), (208, 1259511), (264, 992342), (286, 916008), (312, 839674), (429, 610672), (528, 496171), (572, 458004), (624, 419837), (858, 305336), (1144, 229002), (1716, 152668), (2288, 114501), (3432, 76334), (6864, 38167)]