64905906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{11399}}^1$

素因数の和:11490

約数の個数: 32

約数和(自身を含む): 141724800

約数和(自身を除く): 76818894

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 5694, 11399, 22798, 34197, 68394, 148187, 296374, 444561, 832127, 889122, 1664254, 2496381, 4992762, 10817651, 21635302, 32452953, 64905906]

約数ペア:

[(1, 64905906), (2, 32452953), (3, 21635302), (6, 10817651), (13, 4992762), (26, 2496381), (39, 1664254), (73, 889122), (78, 832127), (146, 444561), (219, 296374), (438, 148187), (949, 68394), (1898, 34197), (2847, 22798), (5694, 11399)]