28546536

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 81423360

約数和(自身を除く): 52876824

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 37, 51, 61, 62, 68, 74, 93, 102, 111, 122, 124, 136, 148, 183, 186, 204, 222, 244, 248, 296, 366, 372, 408, 444, 488, 527, 629, 732, 744, 888, 1037, 1054, 1147, 1258, 1464, 1581, 1887, 1891, 2074, 2108, 2257, 2294, 2516, 3111, 3162, 3441, 3774, 3782, 4148, 4216, 4514, 4588, 5032, 5673, 6222, 6324, 6771, 6882, 7548, 7564, 8296, 9028, 9176, 11346, 12444, 12648, 13542, 13764, 15096, 15128, 18056, 19499, 22692, 24888, 27084, 27528, 32147, 38369, 38998, 45384, 54168, 58497, 64294, 69967, 76738, 77996, 96441, 115107, 116994, 128588, 139934, 153476, 155992, 192882, 209901, 230214, 233988, 257176, 279868, 306952, 385764, 419802, 460428, 467976, 559736, 771528, 839604, 920856, 1189439, 1679208, 2378878, 3568317, 4757756, 7136634, 9515512, 14273268, 28546536]

約数ペア:

[(1, 28546536), (2, 14273268), (3, 9515512), (4, 7136634), (6, 4757756), (8, 3568317), (12, 2378878), (17, 1679208), (24, 1189439), (31, 920856), (34, 839604), (37, 771528), (51, 559736), (61, 467976), (62, 460428), (68, 419802), (74, 385764), (93, 306952), (102, 279868), (111, 257176), (122, 233988), (124, 230214), (136, 209901), (148, 192882), (183, 155992), (186, 153476), (204, 139934), (222, 128588), (244, 116994), (248, 115107), (296, 96441), (366, 77996), (372, 76738), (408, 69967), (444, 64294), (488, 58497), (527, 54168), (629, 45384), (732, 38998), (744, 38369), (888, 32147), (1037, 27528), (1054, 27084), (1147, 24888), (1258, 22692), (1464, 19499), (1581, 18056), (1887, 15128), (1891, 15096), (2074, 13764), (2108, 13542), (2257, 12648), (2294, 12444), (2516, 11346), (3111, 9176), (3162, 9028), (3441, 8296), (3774, 7564), (3782, 7548), (4148, 6882), (4216, 6771), (4514, 6324), (4588, 6222), (5032, 5673)]