64380836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1087}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 130507776

約数和(自身を除く): 66126940

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 134, 221, 268, 442, 871, 884, 1087, 1139, 1742, 2174, 2278, 3484, 4348, 4556, 14131, 14807, 18479, 28262, 29614, 36958, 56524, 59228, 72829, 73916, 145658, 240227, 291316, 480454, 946777, 960908, 1238093, 1893554, 2476186, 3787108, 4952372, 16095209, 32190418, 64380836]

約数ペア:

[(1, 64380836), (2, 32190418), (4, 16095209), (13, 4952372), (17, 3787108), (26, 2476186), (34, 1893554), (52, 1238093), (67, 960908), (68, 946777), (134, 480454), (221, 291316), (268, 240227), (442, 145658), (871, 73916), (884, 72829), (1087, 59228), (1139, 56524), (1742, 36958), (2174, 29614), (2278, 28262), (3484, 18479), (4348, 14807), (4556, 14131)]