64940641918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{21632459}}^1$

素因数の和:21632559

約数の個数: 16

約数和(自身を含む): 103835808000

約数和(自身を除く): 38895166082

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 21632459, 43264918, 411016721, 822033442, 1708964261, 3417928522, 32470320959, 64940641918]

約数ペア:

[(1, 64940641918), (2, 32470320959), (19, 3417928522), (38, 1708964261), (79, 822033442), (158, 411016721), (1501, 43264918), (3002, 21632459)]