389780415056

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2351}}^1\times {\mathrm{334261}}^1$

素因数の和:336651

約数の個数: 40

約数和(自身を含む): 779894750208

約数和(自身を除く): 390114335152

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2351, 4702, 9404, 18808, 37616, 72881, 145762, 291524, 334261, 583048, 668522, 1166096, 1337044, 2674088, 5348176, 10362091, 20724182, 41448364, 82896728, 165793456, 785847611, 1571695222, 3143390444, 6286780888, 12573561776, 24361275941, 48722551882, 97445103764, 194890207528, 389780415056]

約数ペア:

[(1, 389780415056), (2, 194890207528), (4, 97445103764), (8, 48722551882), (16, 24361275941), (31, 12573561776), (62, 6286780888), (124, 3143390444), (248, 1571695222), (496, 785847611), (2351, 165793456), (4702, 82896728), (9404, 41448364), (18808, 20724182), (37616, 10362091), (72881, 5348176), (145762, 2674088), (291524, 1337044), (334261, 1166096), (583048, 668522)]