291564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 917280

約数和(自身を除く): 625716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 89, 91, 117, 126, 156, 178, 182, 234, 252, 267, 273, 356, 364, 468, 534, 546, 623, 801, 819, 1068, 1092, 1157, 1246, 1602, 1638, 1869, 2314, 2492, 3204, 3276, 3471, 3738, 4628, 5607, 6942, 7476, 8099, 10413, 11214, 13884, 16198, 20826, 22428, 24297, 32396, 41652, 48594, 72891, 97188, 145782, 291564]

約数ペア:

[(1, 291564), (2, 145782), (3, 97188), (4, 72891), (6, 48594), (7, 41652), (9, 32396), (12, 24297), (13, 22428), (14, 20826), (18, 16198), (21, 13884), (26, 11214), (28, 10413), (36, 8099), (39, 7476), (42, 6942), (52, 5607), (63, 4628), (78, 3738), (84, 3471), (89, 3276), (91, 3204), (117, 2492), (126, 2314), (156, 1869), (178, 1638), (182, 1602), (234, 1246), (252, 1157), (267, 1092), (273, 1068), (356, 819), (364, 801), (468, 623), (534, 546)]