64201865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 95558400

約数和(自身を除く): 31356535

約数列:

[1, 5, 7, 13, 35, 65, 91, 149, 455, 745, 947, 1043, 1937, 4735, 5215, 6629, 9685, 12311, 13559, 33145, 61555, 67795, 86177, 141103, 430885, 705515, 987721, 1834339, 4938605, 9171695, 12840373, 64201865]

約数ペア:

[(1, 64201865), (5, 12840373), (7, 9171695), (13, 4938605), (35, 1834339), (65, 987721), (91, 705515), (149, 430885), (455, 141103), (745, 86177), (947, 67795), (1043, 61555), (1937, 33145), (4735, 13559), (5215, 12311), (6629, 9685)]