221468260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{851801}}^1$

素因数の和:851823

約数の個数: 24

約数和(自身を含む): 500859576

約数和(自身を除く): 279391316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 851801, 1703602, 3407204, 4259005, 8518010, 11073413, 17036020, 22146826, 44293652, 55367065, 110734130, 221468260]

約数ペア:

[(1, 221468260), (2, 110734130), (4, 55367065), (5, 44293652), (10, 22146826), (13, 17036020), (20, 11073413), (26, 8518010), (52, 4259005), (65, 3407204), (130, 1703602), (260, 851801)]