15721496965

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1\times {\mathrm{2383}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 19712056320

約数和(自身を除く): 3990559355

約数列:

[1, 5, 29, 145, 173, 263, 865, 1315, 2383, 5017, 7627, 11915, 25085, 38135, 45499, 69107, 227495, 345535, 412259, 626729, 1319471, 2061295, 3133645, 6597355, 11955511, 18175141, 59777555, 90875705, 108424117, 542120585, 3144299393, 15721496965]

約数ペア:

[(1, 15721496965), (5, 3144299393), (29, 542120585), (145, 108424117), (173, 90875705), (263, 59777555), (865, 18175141), (1315, 11955511), (2383, 6597355), (5017, 3133645), (7627, 2061295), (11915, 1319471), (25085, 626729), (38135, 412259), (45499, 345535), (69107, 227495)]