78172990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{11057}}^1$

素因数の和:11172

約数の個数: 32

約数和(自身を含む): 162419904

約数和(自身を除く): 84246914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 7070, 11057, 22114, 55285, 77399, 110570, 154798, 386995, 773990, 1116757, 2233514, 5583785, 7817299, 11167570, 15634598, 39086495, 78172990]

約数ペア:

[(1, 78172990), (2, 39086495), (5, 15634598), (7, 11167570), (10, 7817299), (14, 5583785), (35, 2233514), (70, 1116757), (101, 773990), (202, 386995), (505, 154798), (707, 110570), (1010, 77399), (1414, 55285), (3535, 22114), (7070, 11057)]