20171156508

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{142319}}^1$

素因数の和:142487

約数の個数: 72

約数和(自身を含む): 53047787520

約数和(自身を除く): 32876631012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 186, 254, 279, 372, 381, 508, 558, 762, 1116, 1143, 1524, 2286, 3937, 4572, 7874, 11811, 15748, 23622, 35433, 47244, 70866, 141732, 142319, 284638, 426957, 569276, 853914, 1280871, 1707828, 2561742, 4411889, 5123484, 8823778, 13235667, 17647556, 18074513, 26471334, 36149026, 39707001, 52942668, 54223539, 72298052, 79414002, 108447078, 158828004, 162670617, 216894156, 325341234, 560309903, 650682468, 1120619806, 1680929709, 2241239612, 3361859418, 5042789127, 6723718836, 10085578254, 20171156508]

約数ペア:

[(1, 20171156508), (2, 10085578254), (3, 6723718836), (4, 5042789127), (6, 3361859418), (9, 2241239612), (12, 1680929709), (18, 1120619806), (31, 650682468), (36, 560309903), (62, 325341234), (93, 216894156), (124, 162670617), (127, 158828004), (186, 108447078), (254, 79414002), (279, 72298052), (372, 54223539), (381, 52942668), (508, 39707001), (558, 36149026), (762, 26471334), (1116, 18074513), (1143, 17647556), (1524, 13235667), (2286, 8823778), (3937, 5123484), (4572, 4411889), (7874, 2561742), (11811, 1707828), (15748, 1280871), (23622, 853914), (35433, 569276), (47244, 426957), (70866, 284638), (141732, 142319)]