1640607078

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{407503}}^1$

素因数の和:407580

約数の個数: 32

約数和(自身を含む): 3638195712

約数和(自身を除く): 1997588634

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 122, 183, 366, 671, 1342, 2013, 4026, 407503, 815006, 1222509, 2445018, 4482533, 8965066, 13447599, 24857683, 26895198, 49715366, 74573049, 149146098, 273434513, 546869026, 820303539, 1640607078]

約数ペア:

[(1, 1640607078), (2, 820303539), (3, 546869026), (6, 273434513), (11, 149146098), (22, 74573049), (33, 49715366), (61, 26895198), (66, 24857683), (122, 13447599), (183, 8965066), (366, 4482533), (671, 2445018), (1342, 1222509), (2013, 815006), (4026, 407503)]