64490465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 88972800

約数和(自身を除く): 24482335

約数列:

[1, 5, 13, 19, 65, 79, 95, 247, 395, 661, 1027, 1235, 1501, 3305, 5135, 7505, 8593, 12559, 19513, 42965, 52219, 62795, 97565, 163267, 261095, 678847, 816335, 992161, 3394235, 4960805, 12898093, 64490465]

約数ペア:

[(1, 64490465), (5, 12898093), (13, 4960805), (19, 3394235), (65, 992161), (79, 816335), (95, 678847), (247, 261095), (395, 163267), (661, 97565), (1027, 62795), (1235, 52219), (1501, 42965), (3305, 19513), (5135, 12559), (7505, 8593)]