1998906

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 5017824

約数和(自身を除く): 3018918

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 523, 546, 637, 1046, 1274, 1569, 1911, 3138, 3661, 3822, 6799, 7322, 10983, 13598, 20397, 21966, 25627, 40794, 47593, 51254, 76881, 95186, 142779, 153762, 285558, 333151, 666302, 999453, 1998906]

約数ペア:

[(1, 1998906), (2, 999453), (3, 666302), (6, 333151), (7, 285558), (13, 153762), (14, 142779), (21, 95186), (26, 76881), (39, 51254), (42, 47593), (49, 40794), (78, 25627), (91, 21966), (98, 20397), (147, 13598), (182, 10983), (273, 7322), (294, 6799), (523, 3822), (546, 3661), (637, 3138), (1046, 1911), (1274, 1569)]