681566366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{2477}}^1$

素因数の和:3068

約数の個数: 32

約数和(自身を含む): 1161488160

約数和(自身を除く): 479921794

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 557, 1114, 2477, 4954, 7241, 10583, 14482, 21166, 32201, 47063, 64402, 94126, 137579, 275158, 611819, 1223638, 1379689, 2759378, 17935957, 26214091, 35871914, 52428182, 340783183, 681566366]

約数ペア:

[(1, 681566366), (2, 340783183), (13, 52428182), (19, 35871914), (26, 26214091), (38, 17935957), (247, 2759378), (494, 1379689), (557, 1223638), (1114, 611819), (2477, 275158), (4954, 137579), (7241, 94126), (10583, 64402), (14482, 47063), (21166, 32201)]