81073408

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1433}}^1$

素因数の和:1479

約数の個数: 72

約数和(自身を含む): 184659048

約数和(自身を除く): 103585640

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 544, 832, 884, 1088, 1433, 1664, 1768, 2176, 2866, 3328, 3536, 4352, 5732, 7072, 11464, 14144, 18629, 22928, 24361, 28288, 37258, 45856, 48722, 56576, 74516, 91712, 97444, 149032, 183424, 194888, 298064, 316693, 366848, 389776, 596128, 633386, 779552, 1192256, 1266772, 1559104, 2384512, 2533544, 3118208, 4769024, 5067088, 6236416, 10134176, 20268352, 40536704, 81073408]

約数ペア:

[(1, 81073408), (2, 40536704), (4, 20268352), (8, 10134176), (13, 6236416), (16, 5067088), (17, 4769024), (26, 3118208), (32, 2533544), (34, 2384512), (52, 1559104), (64, 1266772), (68, 1192256), (104, 779552), (128, 633386), (136, 596128), (208, 389776), (221, 366848), (256, 316693), (272, 298064), (416, 194888), (442, 183424), (544, 149032), (832, 97444), (884, 91712), (1088, 74516), (1433, 56576), (1664, 48722), (1768, 45856), (2176, 37258), (2866, 28288), (3328, 24361), (3536, 22928), (4352, 18629), (5732, 14144), (7072, 11464)]