31894445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 45895680

約数和(自身を除く): 14001235

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 1045, 1265, 1327, 2185, 4807, 6635, 14597, 24035, 25213, 30521, 72985, 126065, 152605, 277343, 335731, 579899, 1386715, 1678655, 2899495, 6378889, 31894445]

約数ペア:

[(1, 31894445), (5, 6378889), (11, 2899495), (19, 1678655), (23, 1386715), (55, 579899), (95, 335731), (115, 277343), (209, 152605), (253, 126065), (437, 72985), (1045, 30521), (1265, 25213), (1327, 24035), (2185, 14597), (4807, 6635)]