880542

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 2122848

約数和(自身を除く): 1242306

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 71, 78, 106, 117, 142, 159, 213, 234, 318, 426, 477, 639, 689, 923, 954, 1278, 1378, 1846, 2067, 2769, 3763, 4134, 5538, 6201, 7526, 8307, 11289, 12402, 16614, 22578, 33867, 48919, 67734, 97838, 146757, 293514, 440271, 880542]

約数ペア:

[(1, 880542), (2, 440271), (3, 293514), (6, 146757), (9, 97838), (13, 67734), (18, 48919), (26, 33867), (39, 22578), (53, 16614), (71, 12402), (78, 11289), (106, 8307), (117, 7526), (142, 6201), (159, 5538), (213, 4134), (234, 3763), (318, 2769), (426, 2067), (477, 1846), (639, 1378), (689, 1278), (923, 954)]