64786405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 85450464

約数和(自身を除く): 20664059

約数列:

[1, 5, 17, 53, 73, 85, 197, 265, 365, 901, 985, 1241, 3349, 3869, 4505, 6205, 10441, 14381, 16745, 19345, 52205, 65773, 71905, 177497, 244477, 328865, 762193, 887485, 1222385, 3810965, 12957281, 64786405]

約数ペア:

[(1, 64786405), (5, 12957281), (17, 3810965), (53, 1222385), (73, 887485), (85, 762193), (197, 328865), (265, 244477), (365, 177497), (901, 71905), (985, 65773), (1241, 52205), (3349, 19345), (3869, 16745), (4505, 14381), (6205, 10441)]