1639231726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 2884896000

約数和(自身を除く): 1245664274

約数列:

[1, 2, 11, 19, 22, 38, 89, 139, 178, 209, 278, 317, 418, 634, 979, 1529, 1691, 1958, 2641, 3058, 3382, 3487, 5282, 6023, 6974, 12046, 12371, 18601, 24742, 28213, 29051, 37202, 44063, 56426, 58102, 66253, 88126, 132506, 136081, 235049, 272162, 310343, 470098, 484693, 536047, 620686, 837197, 969386, 1072094, 1674394, 2585539, 3921607, 5171078, 5896517, 7843214, 9209167, 11793034, 18418334, 43137677, 74510533, 86275354, 149021066, 819615863, 1639231726]

約数ペア:

[(1, 1639231726), (2, 819615863), (11, 149021066), (19, 86275354), (22, 74510533), (38, 43137677), (89, 18418334), (139, 11793034), (178, 9209167), (209, 7843214), (278, 5896517), (317, 5171078), (418, 3921607), (634, 2585539), (979, 1674394), (1529, 1072094), (1691, 969386), (1958, 837197), (2641, 620686), (3058, 536047), (3382, 484693), (3487, 470098), (5282, 310343), (6023, 272162), (6974, 235049), (12046, 136081), (12371, 132506), (18601, 88126), (24742, 66253), (28213, 58102), (29051, 56426), (37202, 44063)]