31455982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 51321600

約数和(自身を除く): 19865618

約数列:

[1, 2, 19, 38, 71, 89, 131, 142, 178, 262, 1349, 1691, 2489, 2698, 3382, 4978, 6319, 9301, 11659, 12638, 18602, 23318, 120061, 176719, 221521, 240122, 353438, 443042, 827789, 1655578, 15727991, 31455982]

約数ペア:

[(1, 31455982), (2, 15727991), (19, 1655578), (38, 827789), (71, 443042), (89, 353438), (131, 240122), (142, 221521), (178, 176719), (262, 120061), (1349, 23318), (1691, 18602), (2489, 12638), (2698, 11659), (3382, 9301), (4978, 6319)]