219587942

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 409190400

約数和(自身を除く): 189602458

約数列:

[1, 2, 7, 14, 29, 31, 58, 62, 73, 146, 203, 217, 239, 406, 434, 478, 511, 899, 1022, 1673, 1798, 2117, 2263, 3346, 4234, 4526, 6293, 6931, 7409, 12586, 13862, 14818, 14819, 15841, 17447, 29638, 31682, 34894, 48517, 51863, 65627, 97034, 103726, 122129, 131254, 214861, 244258, 429722, 459389, 505963, 540857, 918778, 1011926, 1081714, 1504027, 3008054, 3541741, 3785999, 7083482, 7571998, 15684853, 31369706, 109793971, 219587942]

約数ペア:

[(1, 219587942), (2, 109793971), (7, 31369706), (14, 15684853), (29, 7571998), (31, 7083482), (58, 3785999), (62, 3541741), (73, 3008054), (146, 1504027), (203, 1081714), (217, 1011926), (239, 918778), (406, 540857), (434, 505963), (478, 459389), (511, 429722), (899, 244258), (1022, 214861), (1673, 131254), (1798, 122129), (2117, 103726), (2263, 97034), (3346, 65627), (4234, 51863), (4526, 48517), (6293, 34894), (6931, 31682), (7409, 29638), (12586, 17447), (13862, 15841), (14818, 14819)]