8393970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21523}}^1$

素因数の和:21546

約数の個数: 32

約数和(自身を含む): 21696192

約数和(自身を除く): 13302222

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 21523, 43046, 64569, 107615, 129138, 215230, 279799, 322845, 559598, 645690, 839397, 1398995, 1678794, 2797990, 4196985, 8393970]

約数ペア:

[(1, 8393970), (2, 4196985), (3, 2797990), (5, 1678794), (6, 1398995), (10, 839397), (13, 645690), (15, 559598), (26, 322845), (30, 279799), (39, 215230), (65, 129138), (78, 107615), (130, 64569), (195, 43046), (390, 21523)]