311021388

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1217}}^1$

素因数の和:1487

約数の個数: 72

約数和(自身を含む): 815767680

約数和(自身を除く): 504746292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 229, 279, 372, 458, 558, 687, 916, 1116, 1217, 1374, 2061, 2434, 2748, 3651, 4122, 4868, 7099, 7302, 8244, 10953, 14198, 14604, 21297, 21906, 28396, 37727, 42594, 43812, 63891, 75454, 85188, 113181, 127782, 150908, 226362, 255564, 278693, 339543, 452724, 557386, 679086, 836079, 1114772, 1358172, 1672158, 2508237, 3344316, 5016474, 8639483, 10032948, 17278966, 25918449, 34557932, 51836898, 77755347, 103673796, 155510694, 311021388]

約数ペア:

[(1, 311021388), (2, 155510694), (3, 103673796), (4, 77755347), (6, 51836898), (9, 34557932), (12, 25918449), (18, 17278966), (31, 10032948), (36, 8639483), (62, 5016474), (93, 3344316), (124, 2508237), (186, 1672158), (229, 1358172), (279, 1114772), (372, 836079), (458, 679086), (558, 557386), (687, 452724), (916, 339543), (1116, 278693), (1217, 255564), (1374, 226362), (2061, 150908), (2434, 127782), (2748, 113181), (3651, 85188), (4122, 75454), (4868, 63891), (7099, 43812), (7302, 42594), (8244, 37727), (10953, 28396), (14198, 21906), (14604, 21297)]