391258548

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1283}}^1$

素因数の和:1533

約数の個数: 72

約数和(自身を含む): 1017944928

約数和(自身を除く): 626686380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 197, 258, 387, 394, 516, 591, 774, 788, 1182, 1283, 1548, 1773, 2364, 2566, 3546, 3849, 5132, 7092, 7698, 8471, 11547, 15396, 16942, 23094, 25413, 33884, 46188, 50826, 55169, 76239, 101652, 110338, 152478, 165507, 220676, 252751, 304956, 331014, 496521, 505502, 662028, 758253, 993042, 1011004, 1516506, 1986084, 2274759, 3033012, 4549518, 9099036, 10868293, 21736586, 32604879, 43473172, 65209758, 97814637, 130419516, 195629274, 391258548]

約数ペア:

[(1, 391258548), (2, 195629274), (3, 130419516), (4, 97814637), (6, 65209758), (9, 43473172), (12, 32604879), (18, 21736586), (36, 10868293), (43, 9099036), (86, 4549518), (129, 3033012), (172, 2274759), (197, 1986084), (258, 1516506), (387, 1011004), (394, 993042), (516, 758253), (591, 662028), (774, 505502), (788, 496521), (1182, 331014), (1283, 304956), (1548, 252751), (1773, 220676), (2364, 165507), (2566, 152478), (3546, 110338), (3849, 101652), (5132, 76239), (7092, 55169), (7698, 50826), (8471, 46188), (11547, 33884), (15396, 25413), (16942, 23094)]