212020325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{33521}}^1$

素因数の和:33565

約数の個数: 24

約数和(自身を含む): 299284416

約数和(自身を除く): 87264091

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 6325, 33521, 167605, 368731, 770983, 838025, 1843655, 3854915, 8480813, 9218275, 19274575, 42404065, 212020325]

約数ペア:

[(1, 212020325), (5, 42404065), (11, 19274575), (23, 9218275), (25, 8480813), (55, 3854915), (115, 1843655), (253, 838025), (275, 770983), (575, 368731), (1265, 167605), (6325, 33521)]