638720022

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1361}}^1$

素因数の和:1533

約数の個数: 64

約数和(自身を含む): 1398000384

約数和(自身を除く): 759280362

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 107, 129, 214, 258, 321, 642, 731, 1361, 1462, 1819, 2193, 2722, 3638, 4083, 4386, 4601, 5457, 8166, 9202, 10914, 13803, 23137, 27606, 46274, 58523, 69411, 78217, 117046, 138822, 145627, 156434, 175569, 234651, 291254, 351138, 436881, 469302, 873762, 994891, 1989782, 2475659, 2984673, 4951318, 5969346, 6261961, 7426977, 12523922, 14853954, 18785883, 37571766, 106453337, 212906674, 319360011, 638720022]

約数ペア:

[(1, 638720022), (2, 319360011), (3, 212906674), (6, 106453337), (17, 37571766), (34, 18785883), (43, 14853954), (51, 12523922), (86, 7426977), (102, 6261961), (107, 5969346), (129, 4951318), (214, 2984673), (258, 2475659), (321, 1989782), (642, 994891), (731, 873762), (1361, 469302), (1462, 436881), (1819, 351138), (2193, 291254), (2722, 234651), (3638, 175569), (4083, 156434), (4386, 145627), (4601, 138822), (5457, 117046), (8166, 78217), (9202, 69411), (10914, 58523), (13803, 46274), (23137, 27606)]