138153910

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 252502272

約数和(自身を除く): 114348362

約数列:

[1, 2, 5, 10, 131, 163, 262, 326, 647, 655, 815, 1294, 1310, 1630, 3235, 6470, 21353, 42706, 84757, 105461, 106765, 169514, 210922, 213530, 423785, 527305, 847570, 1054610, 13815391, 27630782, 69076955, 138153910]

約数ペア:

[(1, 138153910), (2, 69076955), (5, 27630782), (10, 13815391), (131, 1054610), (163, 847570), (262, 527305), (326, 423785), (647, 213530), (655, 210922), (815, 169514), (1294, 106765), (1310, 105461), (1630, 84757), (3235, 42706), (6470, 21353)]