321636745

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 411319296

約数和(自身を除く): 89682551

約数列:

[1, 5, 37, 47, 71, 185, 235, 355, 521, 1739, 2605, 2627, 3337, 8695, 13135, 16685, 19277, 24487, 36991, 96385, 122435, 123469, 184955, 617345, 906019, 1368667, 1738577, 4530095, 6843335, 8692885, 64327349, 321636745]

約数ペア:

[(1, 321636745), (5, 64327349), (37, 8692885), (47, 6843335), (71, 4530095), (185, 1738577), (235, 1368667), (355, 906019), (521, 617345), (1739, 184955), (2605, 123469), (2627, 122435), (3337, 96385), (8695, 36991), (13135, 24487), (16685, 19277)]