213231888

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1373

約数の個数: 120

約数和(自身を含む): 633142016

約数和(自身を除く): 419910128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 37, 48, 62, 72, 74, 93, 111, 124, 144, 148, 186, 222, 248, 279, 296, 333, 372, 444, 496, 558, 592, 666, 744, 888, 1116, 1147, 1291, 1332, 1488, 1776, 2232, 2294, 2582, 2664, 3441, 3873, 4464, 4588, 5164, 5328, 6882, 7746, 9176, 10323, 10328, 11619, 13764, 15492, 18352, 20646, 20656, 23238, 27528, 30984, 40021, 41292, 46476, 47767, 55056, 61968, 80042, 82584, 92952, 95534, 120063, 143301, 160084, 165168, 185904, 191068, 240126, 286602, 320168, 360189, 382136, 429903, 480252, 573204, 640336, 720378, 764272, 859806, 960504, 1146408, 1440756, 1480777, 1719612, 1921008, 2292816, 2881512, 2961554, 3439224, 4442331, 5763024, 5923108, 6878448, 8884662, 11846216, 13326993, 17769324, 23692432, 26653986, 35538648, 53307972, 71077296, 106615944, 213231888]

約数ペア:

[(1, 213231888), (2, 106615944), (3, 71077296), (4, 53307972), (6, 35538648), (8, 26653986), (9, 23692432), (12, 17769324), (16, 13326993), (18, 11846216), (24, 8884662), (31, 6878448), (36, 5923108), (37, 5763024), (48, 4442331), (62, 3439224), (72, 2961554), (74, 2881512), (93, 2292816), (111, 1921008), (124, 1719612), (144, 1480777), (148, 1440756), (186, 1146408), (222, 960504), (248, 859806), (279, 764272), (296, 720378), (333, 640336), (372, 573204), (444, 480252), (496, 429903), (558, 382136), (592, 360189), (666, 320168), (744, 286602), (888, 240126), (1116, 191068), (1147, 185904), (1291, 165168), (1332, 160084), (1488, 143301), (1776, 120063), (2232, 95534), (2294, 92952), (2582, 82584), (2664, 80042), (3441, 61968), (3873, 55056), (4464, 47767), (4588, 46476), (5164, 41292), (5328, 40021), (6882, 30984), (7746, 27528), (9176, 23238), (10323, 20656), (10328, 20646), (11619, 18352), (13764, 15492)]