12684890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 26127360

約数和(自身を除く): 13442470

約数列:

[1, 2, 5, 10, 17, 29, 31, 34, 58, 62, 83, 85, 145, 155, 166, 170, 290, 310, 415, 493, 527, 830, 899, 986, 1054, 1411, 1798, 2407, 2465, 2573, 2635, 2822, 4495, 4814, 4930, 5146, 5270, 7055, 8990, 12035, 12865, 14110, 15283, 24070, 25730, 30566, 40919, 43741, 74617, 76415, 81838, 87482, 149234, 152830, 204595, 218705, 373085, 409190, 437410, 746170, 1268489, 2536978, 6342445, 12684890]

約数ペア:

[(1, 12684890), (2, 6342445), (5, 2536978), (10, 1268489), (17, 746170), (29, 437410), (31, 409190), (34, 373085), (58, 218705), (62, 204595), (83, 152830), (85, 149234), (145, 87482), (155, 81838), (166, 76415), (170, 74617), (290, 43741), (310, 40919), (415, 30566), (493, 25730), (527, 24070), (830, 15283), (899, 14110), (986, 12865), (1054, 12035), (1411, 8990), (1798, 7055), (2407, 5270), (2465, 5146), (2573, 4930), (2635, 4814), (2822, 4495)]