259202489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 327849984

約数和(自身を除く): 68647495

約数列:

[1, 7, 13, 53, 91, 223, 241, 371, 689, 1561, 1687, 2899, 3133, 4823, 11819, 12773, 20293, 21931, 53743, 82733, 89411, 153647, 166049, 376201, 698659, 1075529, 1162343, 2848379, 4890613, 19938653, 37028927, 259202489]

約数ペア:

[(1, 259202489), (7, 37028927), (13, 19938653), (53, 4890613), (91, 2848379), (223, 1162343), (241, 1075529), (371, 698659), (689, 376201), (1561, 166049), (1687, 153647), (2899, 89411), (3133, 82733), (4823, 53743), (11819, 21931), (12773, 20293)]