81033328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6199}}^1$

素因数の和:6269

約数の個数: 40

約数和(自身を含む): 169136000

約数和(自身を除く): 88102672

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6199, 6536, 12398, 13072, 24796, 49592, 99184, 117781, 235562, 266557, 471124, 533114, 942248, 1066228, 1884496, 2132456, 4264912, 5064583, 10129166, 20258332, 40516664, 81033328]

約数ペア:

[(1, 81033328), (2, 40516664), (4, 20258332), (8, 10129166), (16, 5064583), (19, 4264912), (38, 2132456), (43, 1884496), (76, 1066228), (86, 942248), (152, 533114), (172, 471124), (304, 266557), (344, 235562), (688, 117781), (817, 99184), (1634, 49592), (3268, 24796), (6199, 13072), (6536, 12398)]