7889435905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1667}}^1\times {\mathrm{4283}}^1$

素因数の和:5985

約数の個数: 32

約数和(自身を含む): 10804316544

約数和(自身を除く): 2914880639

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1667, 4283, 8335, 21415, 21671, 28339, 55679, 72811, 108355, 141695, 278395, 364055, 368407, 946543, 1842035, 4732715, 7139761, 35698805, 92816893, 121375937, 464084465, 606879685, 1577887181, 7889435905]

約数ペア:

[(1, 7889435905), (5, 1577887181), (13, 606879685), (17, 464084465), (65, 121375937), (85, 92816893), (221, 35698805), (1105, 7139761), (1667, 4732715), (4283, 1842035), (8335, 946543), (21415, 368407), (21671, 364055), (28339, 278395), (55679, 141695), (72811, 108355)]