131521754

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19531}}^1$

素因数の和:19590

約数の個数: 32

約数和(自身を含む): 249384576

約数和(自身を除く): 117862822

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 182, 259, 481, 518, 962, 3367, 6734, 19531, 39062, 136717, 253903, 273434, 507806, 722647, 1445294, 1777321, 3554642, 5058529, 9394411, 10117058, 18788822, 65760877, 131521754]

約数ペア:

[(1, 131521754), (2, 65760877), (7, 18788822), (13, 10117058), (14, 9394411), (26, 5058529), (37, 3554642), (74, 1777321), (91, 1445294), (182, 722647), (259, 507806), (481, 273434), (518, 253903), (962, 136717), (3367, 39062), (6734, 19531)]