628505254

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{9439}}^1$

素因数の和:9664

約数の個数: 24

約数和(自身を含む): 1026146880

約数和(自身を除く): 397641626

約数列:

[1, 2, 13, 26, 169, 197, 338, 394, 2561, 5122, 9439, 18878, 33293, 66586, 122707, 245414, 1595191, 1859483, 3190382, 3718966, 24173279, 48346558, 314252627, 628505254]

約数ペア:

[(1, 628505254), (2, 314252627), (13, 48346558), (26, 24173279), (169, 3718966), (197, 3190382), (338, 1859483), (394, 1595191), (2561, 245414), (5122, 122707), (9439, 66586), (18878, 33293)]