890652826

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 1620324864

約数和(自身を除く): 729672038

約数列:

[1, 2, 7, 14, 37, 61, 71, 74, 122, 142, 259, 397, 427, 497, 518, 794, 854, 994, 2257, 2627, 2779, 4331, 4514, 5254, 5558, 8662, 14689, 15799, 18389, 24217, 28187, 29378, 30317, 31598, 36778, 48434, 56374, 60634, 102823, 160247, 169519, 197309, 205646, 320494, 339038, 394618, 896029, 1042919, 1121729, 1719407, 1792058, 2085838, 2243458, 3438814, 6272203, 7300433, 12035849, 12544406, 14600866, 24071698, 63618059, 127236118, 445326413, 890652826]

約数ペア:

[(1, 890652826), (2, 445326413), (7, 127236118), (14, 63618059), (37, 24071698), (61, 14600866), (71, 12544406), (74, 12035849), (122, 7300433), (142, 6272203), (259, 3438814), (397, 2243458), (427, 2085838), (497, 1792058), (518, 1719407), (794, 1121729), (854, 1042919), (994, 896029), (2257, 394618), (2627, 339038), (2779, 320494), (4331, 205646), (4514, 197309), (5254, 169519), (5558, 160247), (8662, 102823), (14689, 60634), (15799, 56374), (18389, 48434), (24217, 36778), (28187, 31598), (29378, 30317)]