722223252

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{523}}^1$

素因数の和:1053

約数の個数: 72

約数和(自身を含む): 1853953920

約数和(自身を除く): 1131730668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 431, 523, 534, 801, 862, 1046, 1068, 1293, 1569, 1602, 1724, 2092, 2586, 3138, 3204, 3879, 4707, 5172, 6276, 7758, 9414, 15516, 18828, 38359, 46547, 76718, 93094, 115077, 139641, 153436, 186188, 225413, 230154, 279282, 345231, 418923, 450826, 460308, 558564, 676239, 690462, 837846, 901652, 1352478, 1380924, 1675692, 2028717, 2704956, 4057434, 8114868, 20061757, 40123514, 60185271, 80247028, 120370542, 180555813, 240741084, 361111626, 722223252]

約数ペア:

[(1, 722223252), (2, 361111626), (3, 240741084), (4, 180555813), (6, 120370542), (9, 80247028), (12, 60185271), (18, 40123514), (36, 20061757), (89, 8114868), (178, 4057434), (267, 2704956), (356, 2028717), (431, 1675692), (523, 1380924), (534, 1352478), (801, 901652), (862, 837846), (1046, 690462), (1068, 676239), (1293, 558564), (1569, 460308), (1602, 450826), (1724, 418923), (2092, 345231), (2586, 279282), (3138, 230154), (3204, 225413), (3879, 186188), (4707, 153436), (5172, 139641), (6276, 115077), (7758, 93094), (9414, 76718), (15516, 46547), (18828, 38359)]