28315970

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 52427520

約数和(自身を除く): 24111550

約数列:

[1, 2, 5, 10, 73, 79, 146, 158, 365, 395, 491, 730, 790, 982, 2455, 4910, 5767, 11534, 28835, 35843, 38789, 57670, 71686, 77578, 179215, 193945, 358430, 387890, 2831597, 5663194, 14157985, 28315970]

約数ペア:

[(1, 28315970), (2, 14157985), (5, 5663194), (10, 2831597), (73, 387890), (79, 358430), (146, 193945), (158, 179215), (365, 77578), (395, 71686), (491, 57670), (730, 38789), (790, 35843), (982, 28835), (2455, 11534), (4910, 5767)]