218156536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 451584000

約数和(自身を除く): 233427464

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 127, 166, 199, 254, 332, 398, 508, 664, 796, 1016, 1079, 1592, 1651, 2158, 2587, 3302, 4316, 5174, 6604, 8632, 10348, 10541, 13208, 16517, 20696, 21082, 25273, 33034, 42164, 50546, 66068, 84328, 101092, 132136, 137033, 202184, 214721, 274066, 328549, 429442, 548132, 657098, 858884, 1096264, 1314196, 1717768, 2097659, 2628392, 4195318, 8390636, 16781272, 27269567, 54539134, 109078268, 218156536]

約数ペア:

[(1, 218156536), (2, 109078268), (4, 54539134), (8, 27269567), (13, 16781272), (26, 8390636), (52, 4195318), (83, 2628392), (104, 2097659), (127, 1717768), (166, 1314196), (199, 1096264), (254, 858884), (332, 657098), (398, 548132), (508, 429442), (664, 328549), (796, 274066), (1016, 214721), (1079, 202184), (1592, 137033), (1651, 132136), (2158, 101092), (2587, 84328), (3302, 66068), (4316, 50546), (5174, 42164), (6604, 33034), (8632, 25273), (10348, 21082), (10541, 20696), (13208, 16517)]