218315888

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 503015424

約数和(自身を除く): 284699536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 227, 248, 277, 434, 454, 496, 554, 868, 908, 1108, 1589, 1736, 1816, 1939, 2216, 3178, 3472, 3632, 3878, 4432, 6356, 7037, 7756, 8587, 12712, 14074, 15512, 17174, 25424, 28148, 31024, 34348, 49259, 56296, 60109, 62879, 68696, 98518, 112592, 120218, 125758, 137392, 197036, 240436, 251516, 394072, 440153, 480872, 503032, 788144, 880306, 961744, 1006064, 1760612, 1949249, 3521224, 3898498, 7042448, 7796996, 13644743, 15593992, 27289486, 31187984, 54578972, 109157944, 218315888]

約数ペア:

[(1, 218315888), (2, 109157944), (4, 54578972), (7, 31187984), (8, 27289486), (14, 15593992), (16, 13644743), (28, 7796996), (31, 7042448), (56, 3898498), (62, 3521224), (112, 1949249), (124, 1760612), (217, 1006064), (227, 961744), (248, 880306), (277, 788144), (434, 503032), (454, 480872), (496, 440153), (554, 394072), (868, 251516), (908, 240436), (1108, 197036), (1589, 137392), (1736, 125758), (1816, 120218), (1939, 112592), (2216, 98518), (3178, 68696), (3472, 62879), (3632, 60109), (3878, 56296), (4432, 49259), (6356, 34348), (7037, 31024), (7756, 28148), (8587, 25424), (12712, 17174), (14074, 15512)]