399194642

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{31231}}^1$

素因数の和:31334

約数の個数: 32

約数和(自身を含む): 755564544

約数和(自身を除く): 356369902

約数列:

[1, 2, 7, 11, 14, 22, 77, 83, 154, 166, 581, 913, 1162, 1826, 6391, 12782, 31231, 62462, 218617, 343541, 437234, 687082, 2404787, 2592173, 4809574, 5184346, 18145211, 28513903, 36290422, 57027806, 199597321, 399194642]

約数ペア:

[(1, 399194642), (2, 199597321), (7, 57027806), (11, 36290422), (14, 28513903), (22, 18145211), (77, 5184346), (83, 4809574), (154, 2592173), (166, 2404787), (581, 687082), (913, 437234), (1162, 343541), (1826, 218617), (6391, 62462), (12782, 31231)]