201639190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{650449}}^1$

素因数の和:650487

約数の個数: 16

約数和(自身を含む): 374659200

約数和(自身を除く): 173020010

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 650449, 1300898, 3252245, 6504490, 20163919, 40327838, 100819595, 201639190]

約数ペア:

[(1, 201639190), (2, 100819595), (5, 40327838), (10, 20163919), (31, 6504490), (62, 3252245), (155, 1300898), (310, 650449)]