70974995

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 105356160

約数和(自身を除く): 34381165

約数列:

[1, 5, 7, 13, 35, 65, 91, 389, 401, 455, 1945, 2005, 2723, 2807, 5057, 5213, 13615, 14035, 25285, 26065, 35399, 36491, 155989, 176995, 182455, 779945, 1091923, 2027857, 5459615, 10139285, 14194999, 70974995]

約数ペア:

[(1, 70974995), (5, 14194999), (7, 10139285), (13, 5459615), (35, 2027857), (65, 1091923), (91, 779945), (389, 182455), (401, 176995), (455, 155989), (1945, 36491), (2005, 35399), (2723, 26065), (2807, 25285), (5057, 14035), (5213, 13615)]