278982678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{28163}}^1$

素因数の和:28308

約数の個数: 32

約数和(自身を含む): 605638656

約数和(自身を除く): 326655978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 254, 381, 762, 1651, 3302, 4953, 9906, 28163, 56326, 84489, 168978, 366119, 732238, 1098357, 2196714, 3576701, 7153402, 10730103, 21460206, 46497113, 92994226, 139491339, 278982678]

約数ペア:

[(1, 278982678), (2, 139491339), (3, 92994226), (6, 46497113), (13, 21460206), (26, 10730103), (39, 7153402), (78, 3576701), (127, 2196714), (254, 1098357), (381, 732238), (762, 366119), (1651, 168978), (3302, 84489), (4953, 56326), (9906, 28163)]