989293812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{32191}}^1$

素因数の和:32408

約数の個数: 48

約数和(自身を含む): 2498614272

約数和(自身を除く): 1509320460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 197, 394, 591, 788, 1182, 2364, 2561, 5122, 7683, 10244, 15366, 30732, 32191, 64382, 96573, 128764, 193146, 386292, 418483, 836966, 1255449, 1673932, 2510898, 5021796, 6341627, 12683254, 19024881, 25366508, 38049762, 76099524, 82441151, 164882302, 247323453, 329764604, 494646906, 989293812]

約数ペア:

[(1, 989293812), (2, 494646906), (3, 329764604), (4, 247323453), (6, 164882302), (12, 82441151), (13, 76099524), (26, 38049762), (39, 25366508), (52, 19024881), (78, 12683254), (156, 6341627), (197, 5021796), (394, 2510898), (591, 1673932), (788, 1255449), (1182, 836966), (2364, 418483), (2561, 386292), (5122, 193146), (7683, 128764), (10244, 96573), (15366, 64382), (30732, 32191)]