81485248

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2647}}^1$

素因数の和:2709

約数の個数: 56

約数和(自身を含む): 178909472

約数和(自身を除く): 97424224

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 832, 962, 1184, 1924, 2368, 2647, 3848, 5294, 7696, 10588, 15392, 21176, 30784, 34411, 42352, 68822, 84704, 97939, 137644, 169408, 195878, 275288, 391756, 550576, 783512, 1101152, 1273207, 1567024, 2202304, 2546414, 3134048, 5092828, 6268096, 10185656, 20371312, 40742624, 81485248]

約数ペア:

[(1, 81485248), (2, 40742624), (4, 20371312), (8, 10185656), (13, 6268096), (16, 5092828), (26, 3134048), (32, 2546414), (37, 2202304), (52, 1567024), (64, 1273207), (74, 1101152), (104, 783512), (148, 550576), (208, 391756), (296, 275288), (416, 195878), (481, 169408), (592, 137644), (832, 97939), (962, 84704), (1184, 68822), (1924, 42352), (2368, 34411), (2647, 30784), (3848, 21176), (5294, 15392), (7696, 10588)]