2720388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 7124544

約数和(自身を除く): 4404156

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 557, 814, 1114, 1221, 1628, 1671, 2228, 2442, 3342, 4884, 6127, 6684, 12254, 18381, 20609, 24508, 36762, 41218, 61827, 73524, 82436, 123654, 226699, 247308, 453398, 680097, 906796, 1360194, 2720388]

約数ペア:

[(1, 2720388), (2, 1360194), (3, 906796), (4, 680097), (6, 453398), (11, 247308), (12, 226699), (22, 123654), (33, 82436), (37, 73524), (44, 61827), (66, 41218), (74, 36762), (111, 24508), (132, 20609), (148, 18381), (222, 12254), (407, 6684), (444, 6127), (557, 4884), (814, 3342), (1114, 2442), (1221, 2228), (1628, 1671)]