661213808638

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{769}}^1\times {\mathrm{189977}}^1$

素因数の和:190852

約数の個数: 32

約数和(自身を含む): 1039194858240

約数和(自身を除く): 377981049602

約数列:

[1, 2, 31, 62, 73, 146, 769, 1538, 2263, 4526, 23839, 47678, 56137, 112274, 189977, 379954, 1740247, 3480494, 5889287, 11778574, 13868321, 27736642, 146092313, 292184626, 429917951, 859835902, 4528861703, 9057723406, 10664738849, 21329477698, 330606904319, 661213808638]

約数ペア:

[(1, 661213808638), (2, 330606904319), (31, 21329477698), (62, 10664738849), (73, 9057723406), (146, 4528861703), (769, 859835902), (1538, 429917951), (2263, 292184626), (4526, 146092313), (23839, 27736642), (47678, 13868321), (56137, 11778574), (112274, 5889287), (189977, 3480494), (379954, 1740247)]