81951216

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 221369760

約数和(自身を除く): 139418544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 113, 116, 174, 226, 232, 339, 348, 452, 464, 521, 678, 696, 904, 1042, 1356, 1392, 1563, 1808, 2084, 2712, 3126, 3277, 4168, 5424, 6252, 6554, 8336, 9831, 12504, 13108, 15109, 19662, 25008, 26216, 30218, 39324, 45327, 52432, 58873, 60436, 78648, 90654, 117746, 120872, 157296, 176619, 181308, 235492, 241744, 353238, 362616, 470984, 706476, 725232, 941968, 1412952, 1707317, 2825904, 3414634, 5121951, 6829268, 10243902, 13658536, 20487804, 27317072, 40975608, 81951216]

約数ペア:

[(1, 81951216), (2, 40975608), (3, 27317072), (4, 20487804), (6, 13658536), (8, 10243902), (12, 6829268), (16, 5121951), (24, 3414634), (29, 2825904), (48, 1707317), (58, 1412952), (87, 941968), (113, 725232), (116, 706476), (174, 470984), (226, 362616), (232, 353238), (339, 241744), (348, 235492), (452, 181308), (464, 176619), (521, 157296), (678, 120872), (696, 117746), (904, 90654), (1042, 78648), (1356, 60436), (1392, 58873), (1563, 52432), (1808, 45327), (2084, 39324), (2712, 30218), (3126, 26216), (3277, 25008), (4168, 19662), (5424, 15109), (6252, 13108), (6554, 12504), (8336, 9831)]