156977990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{52501}}^1$

素因数の和:52544

約数の個数: 32

約数和(自身を含む): 317532096

約数和(自身を除く): 160554106

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 52501, 105002, 262505, 525010, 682513, 1207523, 1365026, 2415046, 3412565, 6037615, 6825130, 12075230, 15697799, 31395598, 78488995, 156977990]

約数ペア:

[(1, 156977990), (2, 78488995), (5, 31395598), (10, 15697799), (13, 12075230), (23, 6825130), (26, 6037615), (46, 3412565), (65, 2415046), (115, 1365026), (130, 1207523), (230, 682513), (299, 525010), (598, 262505), (1495, 105002), (2990, 52501)]