211105908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14551}}^1$

素因数の和:14605

約数の個数: 72

約数和(自身を含む): 593255936

約数和(自身を除く): 382150028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 14551, 29102, 43653, 58204, 87306, 130959, 174612, 189163, 261918, 378326, 451081, 523836, 567489, 756652, 902162, 1134978, 1353243, 1702467, 1804324, 2269956, 2706486, 3404934, 4059729, 5412972, 5864053, 6809868, 8119458, 11728106, 16238916, 17592159, 23456212, 35184318, 52776477, 70368636, 105552954, 211105908]

約数ペア:

[(1, 211105908), (2, 105552954), (3, 70368636), (4, 52776477), (6, 35184318), (9, 23456212), (12, 17592159), (13, 16238916), (18, 11728106), (26, 8119458), (31, 6809868), (36, 5864053), (39, 5412972), (52, 4059729), (62, 3404934), (78, 2706486), (93, 2269956), (117, 1804324), (124, 1702467), (156, 1353243), (186, 1134978), (234, 902162), (279, 756652), (372, 567489), (403, 523836), (468, 451081), (558, 378326), (806, 261918), (1116, 189163), (1209, 174612), (1612, 130959), (2418, 87306), (3627, 58204), (4836, 43653), (7254, 29102), (14508, 14551)]