220637912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{2609}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 466511400

約数和(自身を除く): 245873488

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 961, 1364, 1922, 2609, 2728, 3844, 5218, 7688, 10436, 10571, 20872, 21142, 28699, 42284, 57398, 80879, 84568, 114796, 161758, 229592, 323516, 647032, 889669, 1779338, 2507249, 3558676, 5014498, 7117352, 10028996, 20057992, 27579739, 55159478, 110318956, 220637912]

約数ペア:

[(1, 220637912), (2, 110318956), (4, 55159478), (8, 27579739), (11, 20057992), (22, 10028996), (31, 7117352), (44, 5014498), (62, 3558676), (88, 2507249), (124, 1779338), (248, 889669), (341, 647032), (682, 323516), (961, 229592), (1364, 161758), (1922, 114796), (2609, 84568), (2728, 80879), (3844, 57398), (5218, 42284), (7688, 28699), (10436, 21142), (10571, 20872)]