211364895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 397393920

約数和(自身を除く): 186029025

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 83, 105, 237, 249, 307, 395, 415, 553, 581, 921, 1185, 1245, 1535, 1659, 1743, 2149, 2765, 2905, 4605, 6447, 6557, 8295, 8715, 10745, 19671, 24253, 25481, 32235, 32785, 45899, 72759, 76443, 98355, 121265, 127405, 137697, 169771, 178367, 229495, 363795, 382215, 509313, 535101, 688485, 848855, 891835, 2012999, 2546565, 2675505, 6038997, 10064995, 14090993, 30194985, 42272979, 70454965, 211364895]

約数ペア:

[(1, 211364895), (3, 70454965), (5, 42272979), (7, 30194985), (15, 14090993), (21, 10064995), (35, 6038997), (79, 2675505), (83, 2546565), (105, 2012999), (237, 891835), (249, 848855), (307, 688485), (395, 535101), (415, 509313), (553, 382215), (581, 363795), (921, 229495), (1185, 178367), (1245, 169771), (1535, 137697), (1659, 127405), (1743, 121265), (2149, 98355), (2765, 76443), (2905, 72759), (4605, 45899), (6447, 32785), (6557, 32235), (8295, 25481), (8715, 24253), (10745, 19671)]