261567982613

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4073}}^1\times {\mathrm{11777}}^1$

素因数の和:15917

約数の個数: 32

約数和(自身を含む): 322449603840

約数和(自身を除く): 60881621227

約数列:

[1, 7, 19, 41, 133, 287, 779, 4073, 5453, 11777, 28511, 77387, 82439, 166993, 223763, 482857, 541709, 1168951, 1566341, 3172867, 3379999, 9174283, 22210069, 47967721, 64219981, 335774047, 911386699, 1966676561, 6379706893, 13766735927, 37366854659, 261567982613]

約数ペア:

[(1, 261567982613), (7, 37366854659), (19, 13766735927), (41, 6379706893), (133, 1966676561), (287, 911386699), (779, 335774047), (4073, 64219981), (5453, 47967721), (11777, 22210069), (28511, 9174283), (77387, 3379999), (82439, 3172867), (166993, 1566341), (223763, 1168951), (482857, 541709)]