1428804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 4036032

約数和(自身を除く): 2607228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 71, 78, 86, 117, 129, 142, 156, 172, 213, 234, 258, 284, 387, 426, 468, 516, 559, 639, 774, 852, 923, 1118, 1278, 1548, 1677, 1846, 2236, 2556, 2769, 3053, 3354, 3692, 5031, 5538, 6106, 6708, 8307, 9159, 10062, 11076, 12212, 16614, 18318, 20124, 27477, 33228, 36636, 39689, 54954, 79378, 109908, 119067, 158756, 238134, 357201, 476268, 714402, 1428804]

約数ペア:

[(1, 1428804), (2, 714402), (3, 476268), (4, 357201), (6, 238134), (9, 158756), (12, 119067), (13, 109908), (18, 79378), (26, 54954), (36, 39689), (39, 36636), (43, 33228), (52, 27477), (71, 20124), (78, 18318), (86, 16614), (117, 12212), (129, 11076), (142, 10062), (156, 9159), (172, 8307), (213, 6708), (234, 6106), (258, 5538), (284, 5031), (387, 3692), (426, 3354), (468, 3053), (516, 2769), (559, 2556), (639, 2236), (774, 1846), (852, 1677), (923, 1548), (1118, 1278)]