31990056

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:543

約数の個数: 128

約数和(自身を含む): 101191680

約数和(自身を除く): 69201624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 23, 24, 28, 34, 42, 46, 51, 56, 68, 69, 84, 92, 102, 119, 136, 138, 161, 168, 184, 204, 238, 276, 322, 357, 391, 408, 476, 483, 487, 552, 644, 714, 782, 952, 966, 974, 1173, 1288, 1428, 1461, 1564, 1932, 1948, 2346, 2737, 2856, 2922, 3128, 3409, 3864, 3896, 4692, 5474, 5844, 6818, 8211, 8279, 9384, 10227, 10948, 11201, 11688, 13636, 16422, 16558, 20454, 21896, 22402, 24837, 27272, 32844, 33116, 33603, 40908, 44804, 49674, 57953, 65688, 66232, 67206, 78407, 81816, 89608, 99348, 115906, 134412, 156814, 173859, 190417, 198696, 231812, 235221, 268824, 313628, 347718, 380834, 463624, 470442, 571251, 627256, 695436, 761668, 940884, 1142502, 1332919, 1390872, 1523336, 1881768, 2285004, 2665838, 3998757, 4570008, 5331676, 7997514, 10663352, 15995028, 31990056]

約数ペア:

[(1, 31990056), (2, 15995028), (3, 10663352), (4, 7997514), (6, 5331676), (7, 4570008), (8, 3998757), (12, 2665838), (14, 2285004), (17, 1881768), (21, 1523336), (23, 1390872), (24, 1332919), (28, 1142502), (34, 940884), (42, 761668), (46, 695436), (51, 627256), (56, 571251), (68, 470442), (69, 463624), (84, 380834), (92, 347718), (102, 313628), (119, 268824), (136, 235221), (138, 231812), (161, 198696), (168, 190417), (184, 173859), (204, 156814), (238, 134412), (276, 115906), (322, 99348), (357, 89608), (391, 81816), (408, 78407), (476, 67206), (483, 66232), (487, 65688), (552, 57953), (644, 49674), (714, 44804), (782, 40908), (952, 33603), (966, 33116), (974, 32844), (1173, 27272), (1288, 24837), (1428, 22402), (1461, 21896), (1564, 20454), (1932, 16558), (1948, 16422), (2346, 13636), (2737, 11688), (2856, 11201), (2922, 10948), (3128, 10227), (3409, 9384), (3864, 8279), (3896, 8211), (4692, 6818), (5474, 5844)]