64881245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{881}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 92461824

約数和(自身を除く): 27580579

約数列:

[1, 5, 11, 13, 55, 65, 103, 143, 515, 715, 881, 1133, 1339, 4405, 5665, 6695, 9691, 11453, 14729, 48455, 57265, 73645, 90743, 125983, 453715, 629915, 998173, 1179659, 4990865, 5898295, 12976249, 64881245]

約数ペア:

[(1, 64881245), (5, 12976249), (11, 5898295), (13, 4990865), (55, 1179659), (65, 998173), (103, 629915), (143, 453715), (515, 125983), (715, 90743), (881, 73645), (1133, 57265), (1339, 48455), (4405, 14729), (5665, 11453), (6695, 9691)]