128571004790

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1\times {\mathrm{432797}}^1$

素因数の和:433352

約数の個数: 32

約数和(自身を含む): 235705253184

約数和(自身を除く): 107134248394

約数列:

[1, 2, 5, 10, 61, 122, 305, 487, 610, 974, 2435, 4870, 29707, 59414, 148535, 297070, 432797, 865594, 2163985, 4327970, 26400617, 52801234, 132003085, 210772139, 264006170, 421544278, 1053860695, 2107721390, 12857100479, 25714200958, 64285502395, 128571004790]

約数ペア:

[(1, 128571004790), (2, 64285502395), (5, 25714200958), (10, 12857100479), (61, 2107721390), (122, 1053860695), (305, 421544278), (487, 264006170), (610, 210772139), (974, 132003085), (2435, 52801234), (4870, 26400617), (29707, 4327970), (59414, 2163985), (148535, 865594), (297070, 432797)]