778928545

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1283}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 998438400

約数和(自身を除く): 219509855

約数列:

[1, 5, 29, 53, 79, 145, 265, 395, 1283, 1537, 2291, 4187, 6415, 7685, 11455, 20935, 37207, 67999, 101357, 121423, 186035, 339995, 506785, 607115, 1971971, 2939353, 5371921, 9859855, 14696765, 26859605, 155785709, 778928545]

約数ペア:

[(1, 778928545), (5, 155785709), (29, 26859605), (53, 14696765), (79, 9859855), (145, 5371921), (265, 2939353), (395, 1971971), (1283, 607115), (1537, 506785), (2291, 339995), (4187, 186035), (6415, 121423), (7685, 101357), (11455, 67999), (20935, 37207)]