1229519425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 1608647040

約数和(自身を除く): 379127615

約数列:

[1, 5, 25, 43, 71, 89, 181, 215, 355, 445, 905, 1075, 1775, 2225, 3053, 3827, 4525, 6319, 7783, 12851, 15265, 16109, 19135, 31595, 38915, 64255, 76325, 80545, 95675, 157975, 194575, 271717, 321275, 402725, 552593, 692687, 1143739, 1358585, 2762965, 3463435, 5718695, 6792925, 13814825, 17317175, 28593475, 49180777, 245903885, 1229519425]

約数ペア:

[(1, 1229519425), (5, 245903885), (25, 49180777), (43, 28593475), (71, 17317175), (89, 13814825), (181, 6792925), (215, 5718695), (355, 3463435), (445, 2762965), (905, 1358585), (1075, 1143739), (1775, 692687), (2225, 552593), (3053, 402725), (3827, 321275), (4525, 271717), (6319, 194575), (7783, 157975), (12851, 95675), (15265, 80545), (16109, 76325), (19135, 64255), (31595, 38915)]