1638860834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1\times {\mathrm{977}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 2674047600

約数和(自身を除く): 1035186766

約数列:

[1, 2, 13, 26, 149, 298, 433, 866, 977, 1937, 1954, 3874, 5629, 11258, 12701, 25402, 64517, 129034, 145573, 291146, 423041, 838721, 846082, 1677442, 1892449, 3784898, 5499533, 10999066, 63033109, 126066218, 819430417, 1638860834]

約数ペア:

[(1, 1638860834), (2, 819430417), (13, 126066218), (26, 63033109), (149, 10999066), (298, 5499533), (433, 3784898), (866, 1892449), (977, 1677442), (1937, 846082), (1954, 838721), (3874, 423041), (5629, 291146), (11258, 145573), (12701, 129034), (25402, 64517)]