209543544

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{138587}}^1$

素因数の和:138609

約数の個数: 64

約数和(自身を含む): 665222400

約数和(自身を除く): 455678856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 138587, 277174, 415761, 554348, 831522, 970109, 1108696, 1247283, 1663044, 1940218, 2494566, 2910327, 3326088, 3741849, 3880436, 4989132, 5820654, 7483698, 7760872, 8730981, 9978264, 11641308, 14967396, 17461962, 23282616, 26192943, 29934792, 34923924, 52385886, 69847848, 104771772, 209543544]

約数ペア:

[(1, 209543544), (2, 104771772), (3, 69847848), (4, 52385886), (6, 34923924), (7, 29934792), (8, 26192943), (9, 23282616), (12, 17461962), (14, 14967396), (18, 11641308), (21, 9978264), (24, 8730981), (27, 7760872), (28, 7483698), (36, 5820654), (42, 4989132), (54, 3880436), (56, 3741849), (63, 3326088), (72, 2910327), (84, 2494566), (108, 1940218), (126, 1663044), (168, 1247283), (189, 1108696), (216, 970109), (252, 831522), (378, 554348), (504, 415761), (756, 277174), (1512, 138587)]