161353668

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2003}}^1$

素因数の和:2161

約数の個数: 72

約数和(自身を含む): 441376992

約数和(自身を除く): 280023324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 137, 147, 196, 274, 294, 411, 548, 588, 822, 959, 1644, 1918, 2003, 2877, 3836, 4006, 5754, 6009, 6713, 8012, 11508, 12018, 13426, 14021, 20139, 24036, 26852, 28042, 40278, 42063, 56084, 80556, 84126, 98147, 168252, 196294, 274411, 294441, 392588, 548822, 588882, 823233, 1097644, 1177764, 1646466, 1920877, 3292932, 3841754, 5762631, 7683508, 11525262, 13446139, 23050524, 26892278, 40338417, 53784556, 80676834, 161353668]

約数ペア:

[(1, 161353668), (2, 80676834), (3, 53784556), (4, 40338417), (6, 26892278), (7, 23050524), (12, 13446139), (14, 11525262), (21, 7683508), (28, 5762631), (42, 3841754), (49, 3292932), (84, 1920877), (98, 1646466), (137, 1177764), (147, 1097644), (196, 823233), (274, 588882), (294, 548822), (411, 392588), (548, 294441), (588, 274411), (822, 196294), (959, 168252), (1644, 98147), (1918, 84126), (2003, 80556), (2877, 56084), (3836, 42063), (4006, 40278), (5754, 28042), (6009, 26852), (6713, 24036), (8012, 20139), (11508, 14021), (12018, 13426)]