89946556

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 191647680

約数和(自身を除く): 101701124

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 79, 98, 148, 157, 158, 196, 259, 314, 316, 518, 553, 628, 1036, 1099, 1106, 1813, 2198, 2212, 2923, 3626, 3871, 4396, 5809, 5846, 7252, 7693, 7742, 11618, 11692, 12403, 15386, 15484, 20461, 23236, 24806, 30772, 40663, 40922, 49612, 81326, 81844, 86821, 143227, 162652, 173642, 284641, 286454, 347284, 458911, 569282, 572908, 607747, 917822, 1138564, 1215494, 1835644, 2430988, 3212377, 6424754, 12849508, 22486639, 44973278, 89946556]

約数ペア:

[(1, 89946556), (2, 44973278), (4, 22486639), (7, 12849508), (14, 6424754), (28, 3212377), (37, 2430988), (49, 1835644), (74, 1215494), (79, 1138564), (98, 917822), (148, 607747), (157, 572908), (158, 569282), (196, 458911), (259, 347284), (314, 286454), (316, 284641), (518, 173642), (553, 162652), (628, 143227), (1036, 86821), (1099, 81844), (1106, 81326), (1813, 49612), (2198, 40922), (2212, 40663), (2923, 30772), (3626, 24806), (3871, 23236), (4396, 20461), (5809, 15484), (5846, 15386), (7252, 12403), (7693, 11692), (7742, 11618)]