78997516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 161025760

約数和(自身を除く): 82028244

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 481, 494, 703, 962, 988, 1406, 1924, 2161, 2812, 4322, 8644, 9139, 18278, 28093, 36556, 41059, 56186, 79957, 82118, 112372, 159914, 164236, 319828, 533767, 1039441, 1067534, 1519183, 2078882, 2135068, 3038366, 4157764, 6076732, 19749379, 39498758, 78997516]

約数ペア:

[(1, 78997516), (2, 39498758), (4, 19749379), (13, 6076732), (19, 4157764), (26, 3038366), (37, 2135068), (38, 2078882), (52, 1519183), (74, 1067534), (76, 1039441), (148, 533767), (247, 319828), (481, 164236), (494, 159914), (703, 112372), (962, 82118), (988, 79957), (1406, 56186), (1924, 41059), (2161, 36556), (2812, 28093), (4322, 18278), (8644, 9139)]