68990128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{379}}^1$

素因数の和:785

約数の個数: 40

約数和(自身を含む): 138721280

約数和(自身を除く): 69731152

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 367, 379, 496, 734, 758, 1468, 1516, 2936, 3032, 5872, 6064, 11377, 11749, 22754, 23498, 45508, 46996, 91016, 93992, 139093, 182032, 187984, 278186, 556372, 1112744, 2225488, 4311883, 8623766, 17247532, 34495064, 68990128]

約数ペア:

[(1, 68990128), (2, 34495064), (4, 17247532), (8, 8623766), (16, 4311883), (31, 2225488), (62, 1112744), (124, 556372), (248, 278186), (367, 187984), (379, 182032), (496, 139093), (734, 93992), (758, 91016), (1468, 46996), (1516, 45508), (2936, 23498), (3032, 22754), (5872, 11749), (6064, 11377)]