31327472

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 39382288

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 71, 88, 92, 109, 142, 176, 184, 218, 253, 284, 368, 436, 506, 568, 781, 872, 1012, 1136, 1199, 1562, 1633, 1744, 2024, 2398, 2507, 3124, 3266, 4048, 4796, 5014, 6248, 6532, 7739, 9592, 10028, 12496, 13064, 15478, 17963, 19184, 20056, 26128, 27577, 30956, 35926, 40112, 55154, 61912, 71852, 85129, 110308, 123824, 143704, 170258, 177997, 220616, 287408, 340516, 355994, 441232, 681032, 711988, 1362064, 1423976, 1957967, 2847952, 3915934, 7831868, 15663736, 31327472]

約数ペア:

[(1, 31327472), (2, 15663736), (4, 7831868), (8, 3915934), (11, 2847952), (16, 1957967), (22, 1423976), (23, 1362064), (44, 711988), (46, 681032), (71, 441232), (88, 355994), (92, 340516), (109, 287408), (142, 220616), (176, 177997), (184, 170258), (218, 143704), (253, 123824), (284, 110308), (368, 85129), (436, 71852), (506, 61912), (568, 55154), (781, 40112), (872, 35926), (1012, 30956), (1136, 27577), (1199, 26128), (1562, 20056), (1633, 19184), (1744, 17963), (2024, 15478), (2398, 13064), (2507, 12496), (3124, 10028), (3266, 9592), (4048, 7739), (4796, 6532), (5014, 6248)]