209271384

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{138407}}^1$

素因数の和:138429

約数の個数: 64

約数和(自身を含む): 664358400

約数和(自身を除く): 455087016

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, 138407, 276814, 415221, 553628, 830442, 968849, 1107256, 1245663, 1660884, 1937698, 2491326, 2906547, 3321768, 3736989, 3875396, 4982652, 5813094, 7473978, 7750792, 8719641, 9965304, 11626188, 14947956, 17439282, 23252376, 26158923, 29895912, 34878564, 52317846, 69757128, 104635692, 209271384]

約数ペア:

[(1, 209271384), (2, 104635692), (3, 69757128), (4, 52317846), (6, 34878564), (7, 29895912), (8, 26158923), (9, 23252376), (12, 17439282), (14, 14947956), (18, 11626188), (21, 9965304), (24, 8719641), (27, 7750792), (28, 7473978), (36, 5813094), (42, 4982652), (54, 3875396), (56, 3736989), (63, 3321768), (72, 2906547), (84, 2491326), (108, 1937698), (126, 1660884), (168, 1245663), (189, 1107256), (216, 968849), (252, 830442), (378, 553628), (504, 415221), (756, 276814), (1512, 138407)]