64402988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{3907}}^1$

素因数の和:4241

約数の個数: 24

約数和(自身を含む): 121788912

約数和(自身を除く): 57385924

約数列:

[1, 2, 4, 13, 26, 52, 317, 634, 1268, 3907, 4121, 7814, 8242, 15628, 16484, 50791, 101582, 203164, 1238519, 2477038, 4954076, 16100747, 32201494, 64402988]

約数ペア:

[(1, 64402988), (2, 32201494), (4, 16100747), (13, 4954076), (26, 2477038), (52, 1238519), (317, 203164), (634, 101582), (1268, 50791), (3907, 16484), (4121, 15628), (7814, 8242)]