816961628

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{1193}}^1$

素因数の和:1902

約数の個数: 48

約数和(自身を含む): 1682030784

約数和(自身を除く): 865069156

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 661, 1036, 1193, 1322, 2386, 2644, 4627, 4772, 8351, 9254, 16702, 18508, 24457, 33404, 44141, 48914, 88282, 97828, 171199, 176564, 308987, 342398, 617974, 684796, 788573, 1235948, 1577146, 3154292, 5520011, 11040022, 22080044, 29177201, 58354402, 116708804, 204240407, 408480814, 816961628]

約数ペア:

[(1, 816961628), (2, 408480814), (4, 204240407), (7, 116708804), (14, 58354402), (28, 29177201), (37, 22080044), (74, 11040022), (148, 5520011), (259, 3154292), (518, 1577146), (661, 1235948), (1036, 788573), (1193, 684796), (1322, 617974), (2386, 342398), (2644, 308987), (4627, 176564), (4772, 171199), (8351, 97828), (9254, 88282), (16702, 48914), (18508, 44141), (24457, 33404)]