61459990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211931}}^1$

素因数の和:211967

約数の個数: 16

約数和(自身を含む): 114443280

約数和(自身を除く): 52983290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 211931, 423862, 1059655, 2119310, 6145999, 12291998, 30729995, 61459990]

約数ペア:

[(1, 61459990), (2, 30729995), (5, 12291998), (10, 6145999), (29, 2119310), (58, 1059655), (145, 423862), (290, 211931)]