245836456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{11971}}^1$

素因数の和:12145

約数の個数: 32

約数和(自身を含む): 491330880

約数和(自身を除く): 245494424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 151, 302, 604, 1208, 2567, 5134, 10268, 11971, 20536, 23942, 47884, 95768, 203507, 407014, 814028, 1628056, 1807621, 3615242, 7230484, 14460968, 30729557, 61459114, 122918228, 245836456]

約数ペア:

[(1, 245836456), (2, 122918228), (4, 61459114), (8, 30729557), (17, 14460968), (34, 7230484), (68, 3615242), (136, 1807621), (151, 1628056), (302, 814028), (604, 407014), (1208, 203507), (2567, 95768), (5134, 47884), (10268, 23942), (11971, 20536)]