1291783668

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{27809}}^1$

素因数の和:27909

約数の個数: 72

約数和(自身を含む): 3550780800

約数和(自身を除く): 2258997132

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 474, 553, 588, 948, 1106, 1659, 2212, 3318, 3871, 6636, 7742, 11613, 15484, 23226, 27809, 46452, 55618, 83427, 111236, 166854, 194663, 333708, 389326, 583989, 778652, 1167978, 1362641, 2196911, 2335956, 2725282, 4087923, 4393822, 5450564, 6590733, 8175846, 8787644, 13181466, 15378377, 16351692, 26362932, 30756754, 46135131, 61513508, 92270262, 107648639, 184540524, 215297278, 322945917, 430594556, 645891834, 1291783668]

約数ペア:

[(1, 1291783668), (2, 645891834), (3, 430594556), (4, 322945917), (6, 215297278), (7, 184540524), (12, 107648639), (14, 92270262), (21, 61513508), (28, 46135131), (42, 30756754), (49, 26362932), (79, 16351692), (84, 15378377), (98, 13181466), (147, 8787644), (158, 8175846), (196, 6590733), (237, 5450564), (294, 4393822), (316, 4087923), (474, 2725282), (553, 2335956), (588, 2196911), (948, 1362641), (1106, 1167978), (1659, 778652), (2212, 583989), (3318, 389326), (3871, 333708), (6636, 194663), (7742, 166854), (11613, 111236), (15484, 83427), (23226, 55618), (27809, 46452)]