2006451378

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{8623}}^1$

素因数の和:8804

約数の個数: 64

約数和(自身を含む): 4636262400

約数和(自身を除く): 2629811022

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 139, 186, 278, 279, 417, 558, 834, 837, 1251, 1674, 2502, 3753, 4309, 7506, 8618, 8623, 12927, 17246, 25854, 25869, 38781, 51738, 77562, 77607, 116343, 155214, 232686, 232821, 267313, 465642, 534626, 801939, 1198597, 1603878, 2397194, 2405817, 3595791, 4811634, 7191582, 7217451, 10787373, 14434902, 21574746, 32362119, 37156507, 64724238, 74313014, 111469521, 222939042, 334408563, 668817126, 1003225689, 2006451378]

約数ペア:

[(1, 2006451378), (2, 1003225689), (3, 668817126), (6, 334408563), (9, 222939042), (18, 111469521), (27, 74313014), (31, 64724238), (54, 37156507), (62, 32362119), (93, 21574746), (139, 14434902), (186, 10787373), (278, 7217451), (279, 7191582), (417, 4811634), (558, 3595791), (834, 2405817), (837, 2397194), (1251, 1603878), (1674, 1198597), (2502, 801939), (3753, 534626), (4309, 465642), (7506, 267313), (8618, 232821), (8623, 232686), (12927, 155214), (17246, 116343), (25854, 77607), (25869, 77562), (38781, 51738)]