129128615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2251}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 194572800

約数和(自身を除く): 65444185

約数列:

[1, 5, 7, 11, 35, 55, 77, 149, 385, 745, 1043, 1639, 2251, 5215, 8195, 11255, 11473, 15757, 24761, 57365, 78785, 123805, 173327, 335399, 866635, 1676995, 2347793, 3689389, 11738965, 18446945, 25825723, 129128615]

約数ペア:

[(1, 129128615), (5, 25825723), (7, 18446945), (11, 11738965), (35, 3689389), (55, 2347793), (77, 1676995), (149, 866635), (385, 335399), (745, 173327), (1043, 123805), (1639, 78785), (2251, 57365), (5215, 24761), (8195, 15757), (11255, 11473)]