281091608

素因数分解:

$2^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{10223}}^1$

素因数の和:10727

約数の個数: 32

約数和(自身を含む): 603624960

約数和(自身を除く): 322533352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 491, 982, 1964, 3437, 3928, 6874, 10223, 13748, 20446, 27496, 40892, 71561, 81784, 143122, 286244, 572488, 5019493, 10038986, 20077972, 35136451, 40155944, 70272902, 140545804, 281091608]

約数ペア:

[(1, 281091608), (2, 140545804), (4, 70272902), (7, 40155944), (8, 35136451), (14, 20077972), (28, 10038986), (56, 5019493), (491, 572488), (982, 286244), (1964, 143122), (3437, 81784), (3928, 71561), (6874, 40892), (10223, 27496), (13748, 20446)]