31910890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12613}}^1$

素因数の和:12654

約数の個数: 32

約数和(自身を含む): 65390976

約数和(自身を除く): 33480086

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 12613, 25226, 63065, 126130, 138743, 277486, 290099, 580198, 693715, 1387430, 1450495, 2900990, 3191089, 6382178, 15955445, 31910890]

約数ペア:

[(1, 31910890), (2, 15955445), (5, 6382178), (10, 3191089), (11, 2900990), (22, 1450495), (23, 1387430), (46, 693715), (55, 580198), (110, 290099), (115, 277486), (230, 138743), (253, 126130), (506, 63065), (1265, 25226), (2530, 12613)]