990388618

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{2389}}^1$

素因数の和:2634

約数の個数: 32

約数和(自身を含む): 1602925200

約数和(自身を除く): 612536582

約数列:

[1, 2, 17, 34, 89, 137, 178, 274, 1513, 2329, 2389, 3026, 4658, 4778, 12193, 24386, 40613, 81226, 207281, 212621, 327293, 414562, 425242, 654586, 3614557, 5563981, 7229114, 11127962, 29129077, 58258154, 495194309, 990388618]

約数ペア:

[(1, 990388618), (2, 495194309), (17, 58258154), (34, 29129077), (89, 11127962), (137, 7229114), (178, 5563981), (274, 3614557), (1513, 654586), (2329, 425242), (2389, 414562), (3026, 327293), (4658, 212621), (4778, 207281), (12193, 81226), (24386, 40613)]