289506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 32

約数和(自身を含む): 678528

約数和(自身を除く): 389022

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 113, 122, 183, 226, 339, 366, 427, 678, 791, 854, 1281, 1582, 2373, 2562, 4746, 6893, 13786, 20679, 41358, 48251, 96502, 144753, 289506]

約数ペア:

[(1, 289506), (2, 144753), (3, 96502), (6, 48251), (7, 41358), (14, 20679), (21, 13786), (42, 6893), (61, 4746), (113, 2562), (122, 2373), (183, 1582), (226, 1281), (339, 854), (366, 791), (427, 678)]