81910108

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 167295744

約数和(自身を除く): 85385636

約数列:

[1, 2, 4, 7, 14, 28, 131, 137, 163, 262, 274, 326, 524, 548, 652, 917, 959, 1141, 1834, 1918, 2282, 3668, 3836, 4564, 17947, 21353, 22331, 35894, 42706, 44662, 71788, 85412, 89324, 125629, 149471, 156317, 251258, 298942, 312634, 502516, 597884, 625268, 2925361, 5850722, 11701444, 20477527, 40955054, 81910108]

約数ペア:

[(1, 81910108), (2, 40955054), (4, 20477527), (7, 11701444), (14, 5850722), (28, 2925361), (131, 625268), (137, 597884), (163, 502516), (262, 312634), (274, 298942), (326, 251258), (524, 156317), (548, 149471), (652, 125629), (917, 89324), (959, 85412), (1141, 71788), (1834, 44662), (1918, 42706), (2282, 35894), (3668, 22331), (3836, 21353), (4564, 17947)]