128816436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21599}}^1$

素因数の和:21684

約数の個数: 48

約数和(自身を含む): 348364800

約数和(自身を除く): 219548364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 21599, 43198, 64797, 86396, 129594, 151193, 259188, 302386, 453579, 604772, 907158, 1533529, 1814316, 3067058, 4600587, 6134116, 9201174, 10734703, 18402348, 21469406, 32204109, 42938812, 64408218, 128816436]

約数ペア:

[(1, 128816436), (2, 64408218), (3, 42938812), (4, 32204109), (6, 21469406), (7, 18402348), (12, 10734703), (14, 9201174), (21, 6134116), (28, 4600587), (42, 3067058), (71, 1814316), (84, 1533529), (142, 907158), (213, 604772), (284, 453579), (426, 302386), (497, 259188), (852, 151193), (994, 129594), (1491, 86396), (1988, 64797), (2982, 43198), (5964, 21599)]