261774788

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 529105920

約数和(自身を除く): 267331132

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 73, 121, 124, 146, 239, 242, 292, 341, 478, 484, 682, 803, 956, 1364, 1606, 2263, 2629, 3212, 3751, 4526, 5258, 7409, 7502, 8833, 9052, 10516, 14818, 15004, 17447, 17666, 24893, 28919, 29636, 34894, 35332, 49786, 57838, 69788, 81499, 99572, 115676, 162998, 191917, 273823, 325996, 383834, 540857, 547646, 767668, 896489, 1081714, 1095292, 1792978, 2111087, 2163428, 3585956, 4222174, 5949427, 8444348, 11898854, 23797708, 65443697, 130887394, 261774788]

約数ペア:

[(1, 261774788), (2, 130887394), (4, 65443697), (11, 23797708), (22, 11898854), (31, 8444348), (44, 5949427), (62, 4222174), (73, 3585956), (121, 2163428), (124, 2111087), (146, 1792978), (239, 1095292), (242, 1081714), (292, 896489), (341, 767668), (478, 547646), (484, 540857), (682, 383834), (803, 325996), (956, 273823), (1364, 191917), (1606, 162998), (2263, 115676), (2629, 99572), (3212, 81499), (3751, 69788), (4526, 57838), (5258, 49786), (7409, 35332), (7502, 34894), (8833, 29636), (9052, 28919), (10516, 24893), (14818, 17666), (15004, 17447)]