81026816

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 176675184

約数和(自身を除く): 95648368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 128, 194, 208, 251, 256, 388, 416, 502, 776, 832, 1004, 1261, 1552, 1664, 2008, 2522, 3104, 3263, 3328, 4016, 5044, 6208, 6526, 8032, 10088, 12416, 13052, 16064, 20176, 24347, 24832, 26104, 32128, 40352, 48694, 52208, 64256, 80704, 97388, 104416, 161408, 194776, 208832, 316511, 322816, 389552, 417664, 633022, 779104, 835328, 1266044, 1558208, 2532088, 3116416, 5064176, 6232832, 10128352, 20256704, 40513408, 81026816]

約数ペア:

[(1, 81026816), (2, 40513408), (4, 20256704), (8, 10128352), (13, 6232832), (16, 5064176), (26, 3116416), (32, 2532088), (52, 1558208), (64, 1266044), (97, 835328), (104, 779104), (128, 633022), (194, 417664), (208, 389552), (251, 322816), (256, 316511), (388, 208832), (416, 194776), (502, 161408), (776, 104416), (832, 97388), (1004, 80704), (1261, 64256), (1552, 52208), (1664, 48694), (2008, 40352), (2522, 32128), (3104, 26104), (3263, 24832), (3328, 24347), (4016, 20176), (5044, 16064), (6208, 13052), (6526, 12416), (8032, 10088)]