78803216

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:639

約数の個数: 40

約数和(自身を含む): 156281664

約数和(自身を除く): 77478448

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 263, 307, 488, 526, 614, 976, 1052, 1228, 2104, 2456, 4208, 4912, 16043, 18727, 32086, 37454, 64172, 74908, 80741, 128344, 149816, 161482, 256688, 299632, 322964, 645928, 1291856, 4925201, 9850402, 19700804, 39401608, 78803216]

約数ペア:

[(1, 78803216), (2, 39401608), (4, 19700804), (8, 9850402), (16, 4925201), (61, 1291856), (122, 645928), (244, 322964), (263, 299632), (307, 256688), (488, 161482), (526, 149816), (614, 128344), (976, 80741), (1052, 74908), (1228, 64172), (2104, 37454), (2456, 32086), (4208, 18727), (4912, 16043)]