780577408

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6607}}^1$

素因数の和:6705

約数の個数: 64

約数和(自身を含む): 1698520320

約数和(自身を除く): 917942912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 208, 284, 416, 568, 832, 923, 1136, 1664, 1846, 2272, 3692, 4544, 6607, 7384, 9088, 13214, 14768, 26428, 29536, 52856, 59072, 85891, 105712, 118144, 171782, 211424, 343564, 422848, 469097, 687128, 845696, 938194, 1374256, 1876388, 2748512, 3752776, 5497024, 6098261, 7505552, 10994048, 12196522, 15011104, 24393044, 30022208, 48786088, 60044416, 97572176, 195144352, 390288704, 780577408]

約数ペア:

[(1, 780577408), (2, 390288704), (4, 195144352), (8, 97572176), (13, 60044416), (16, 48786088), (26, 30022208), (32, 24393044), (52, 15011104), (64, 12196522), (71, 10994048), (104, 7505552), (128, 6098261), (142, 5497024), (208, 3752776), (284, 2748512), (416, 1876388), (568, 1374256), (832, 938194), (923, 845696), (1136, 687128), (1664, 469097), (1846, 422848), (2272, 343564), (3692, 211424), (4544, 171782), (6607, 118144), (7384, 105712), (9088, 85891), (13214, 59072), (14768, 52856), (26428, 29536)]