207938536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{4639}}^1$

素因数の和:5089

約数の個数: 32

約数和(自身を含む): 420940800

約数和(自身を除く): 213002264

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 431, 862, 1724, 3448, 4639, 5603, 9278, 11206, 18556, 22412, 37112, 44824, 60307, 120614, 241228, 482456, 1999409, 3998818, 7997636, 15995272, 25992317, 51984634, 103969268, 207938536]

約数ペア:

[(1, 207938536), (2, 103969268), (4, 51984634), (8, 25992317), (13, 15995272), (26, 7997636), (52, 3998818), (104, 1999409), (431, 482456), (862, 241228), (1724, 120614), (3448, 60307), (4639, 44824), (5603, 37112), (9278, 22412), (11206, 18556)]