31565556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1109

約数の個数: 72

約数和(自身を含む): 88233600

約数和(自身を除く): 56668044

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 711, 869, 948, 1009, 1422, 1738, 2018, 2607, 2844, 3027, 3476, 4036, 5214, 6054, 7821, 9081, 10428, 11099, 12108, 15642, 18162, 22198, 31284, 33297, 36324, 44396, 66594, 79711, 99891, 133188, 159422, 199782, 239133, 318844, 399564, 478266, 717399, 876821, 956532, 1434798, 1753642, 2630463, 2869596, 3507284, 5260926, 7891389, 10521852, 15782778, 31565556]

約数ペア:

[(1, 31565556), (2, 15782778), (3, 10521852), (4, 7891389), (6, 5260926), (9, 3507284), (11, 2869596), (12, 2630463), (18, 1753642), (22, 1434798), (33, 956532), (36, 876821), (44, 717399), (66, 478266), (79, 399564), (99, 318844), (132, 239133), (158, 199782), (198, 159422), (237, 133188), (316, 99891), (396, 79711), (474, 66594), (711, 44396), (869, 36324), (948, 33297), (1009, 31284), (1422, 22198), (1738, 18162), (2018, 15642), (2607, 12108), (2844, 11099), (3027, 10428), (3476, 9081), (4036, 7821), (5214, 6054)]