31170564

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 83720000

約数和(自身を除く): 52549436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 199, 228, 229, 342, 398, 458, 597, 684, 687, 796, 916, 1194, 1374, 1791, 2061, 2388, 2748, 3582, 3781, 4122, 4351, 7164, 7562, 8244, 8702, 11343, 13053, 15124, 17404, 22686, 26106, 34029, 39159, 45372, 45571, 52212, 68058, 78318, 91142, 136116, 136713, 156636, 182284, 273426, 410139, 546852, 820278, 865849, 1640556, 1731698, 2597547, 3463396, 5195094, 7792641, 10390188, 15585282, 31170564]

約数ペア:

[(1, 31170564), (2, 15585282), (3, 10390188), (4, 7792641), (6, 5195094), (9, 3463396), (12, 2597547), (18, 1731698), (19, 1640556), (36, 865849), (38, 820278), (57, 546852), (76, 410139), (114, 273426), (171, 182284), (199, 156636), (228, 136713), (229, 136116), (342, 91142), (398, 78318), (458, 68058), (597, 52212), (684, 45571), (687, 45372), (796, 39159), (916, 34029), (1194, 26106), (1374, 22686), (1791, 17404), (2061, 15124), (2388, 13053), (2748, 11343), (3582, 8702), (3781, 8244), (4122, 7562), (4351, 7164)]