489864385

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 616366080

約数和(自身を除く): 126501695

約数列:

[1, 5, 43, 79, 151, 191, 215, 395, 755, 955, 3397, 6493, 8213, 11929, 15089, 16985, 28841, 32465, 41065, 59645, 75445, 144205, 512947, 648827, 1240163, 2278439, 2564735, 3244135, 6200815, 11392195, 97972877, 489864385]

約数ペア:

[(1, 489864385), (5, 97972877), (43, 11392195), (79, 6200815), (151, 3244135), (191, 2564735), (215, 2278439), (395, 1240163), (755, 648827), (955, 512947), (3397, 144205), (6493, 75445), (8213, 59645), (11929, 41065), (15089, 32465), (16985, 28841)]