1380988222

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{761}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 2157801120

約数和(自身を除く): 776812898

約数列:

[1, 2, 37, 74, 137, 179, 274, 358, 761, 1522, 5069, 6623, 10138, 13246, 24523, 28157, 49046, 56314, 104257, 136219, 208514, 272438, 907351, 1814702, 3857509, 5040103, 7715018, 10080206, 18662003, 37324006, 690494111, 1380988222]

約数ペア:

[(1, 1380988222), (2, 690494111), (37, 37324006), (74, 18662003), (137, 10080206), (179, 7715018), (274, 5040103), (358, 3857509), (761, 1814702), (1522, 907351), (5069, 272438), (6623, 208514), (10138, 136219), (13246, 104257), (24523, 56314), (28157, 49046)]