1647828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 5136768

約数和(自身を除く): 3488940

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 503, 546, 819, 1006, 1092, 1509, 1638, 2012, 3018, 3276, 3521, 4527, 6036, 6539, 7042, 9054, 10563, 13078, 14084, 18108, 19617, 21126, 26156, 31689, 39234, 42252, 45773, 58851, 63378, 78468, 91546, 117702, 126756, 137319, 183092, 235404, 274638, 411957, 549276, 823914, 1647828]

約数ペア:

[(1, 1647828), (2, 823914), (3, 549276), (4, 411957), (6, 274638), (7, 235404), (9, 183092), (12, 137319), (13, 126756), (14, 117702), (18, 91546), (21, 78468), (26, 63378), (28, 58851), (36, 45773), (39, 42252), (42, 39234), (52, 31689), (63, 26156), (78, 21126), (84, 19617), (91, 18108), (117, 14084), (126, 13078), (156, 10563), (182, 9054), (234, 7042), (252, 6539), (273, 6036), (364, 4527), (468, 3521), (503, 3276), (546, 3018), (819, 2012), (1006, 1638), (1092, 1509)]