890444886

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 1866433536

約数和(自身を除く): 975988650

約数列:

[1, 2, 3, 6, 37, 74, 101, 111, 151, 202, 222, 263, 302, 303, 453, 526, 606, 789, 906, 1578, 3737, 5587, 7474, 9731, 11174, 11211, 15251, 16761, 19462, 22422, 26563, 29193, 30502, 33522, 39713, 45753, 53126, 58386, 79426, 79689, 91506, 119139, 159378, 238278, 564287, 982831, 1128574, 1469381, 1692861, 1965662, 2938762, 2948493, 3385722, 4011013, 4408143, 5896986, 8022026, 8816286, 12033039, 24066078, 148407481, 296814962, 445222443, 890444886]

約数ペア:

[(1, 890444886), (2, 445222443), (3, 296814962), (6, 148407481), (37, 24066078), (74, 12033039), (101, 8816286), (111, 8022026), (151, 5896986), (202, 4408143), (222, 4011013), (263, 3385722), (302, 2948493), (303, 2938762), (453, 1965662), (526, 1692861), (606, 1469381), (789, 1128574), (906, 982831), (1578, 564287), (3737, 238278), (5587, 159378), (7474, 119139), (9731, 91506), (11174, 79689), (11211, 79426), (15251, 58386), (16761, 53126), (19462, 45753), (22422, 39713), (26563, 33522), (29193, 30502)]