72171316

素因数分解:

$2^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{1283}}^1$

素因数の和:1349

約数の個数: 48

約数和(自身を含む): 150998400

約数和(自身を除く): 78827084

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 343, 574, 686, 1148, 1283, 1372, 2009, 2566, 4018, 5132, 8036, 8981, 14063, 17962, 28126, 35924, 52603, 56252, 62867, 105206, 125734, 210412, 251468, 368221, 440069, 736442, 880138, 1472884, 1760276, 2577547, 5155094, 10310188, 18042829, 36085658, 72171316]

約数ペア:

[(1, 72171316), (2, 36085658), (4, 18042829), (7, 10310188), (14, 5155094), (28, 2577547), (41, 1760276), (49, 1472884), (82, 880138), (98, 736442), (164, 440069), (196, 368221), (287, 251468), (343, 210412), (574, 125734), (686, 105206), (1148, 62867), (1283, 56252), (1372, 52603), (2009, 35924), (2566, 28126), (4018, 17962), (5132, 14063), (8036, 8981)]