820348532

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 1541736000

約数和(自身を除く): 721387468

約数列:

[1, 2, 4, 17, 34, 68, 139, 229, 278, 379, 458, 556, 758, 916, 1516, 2363, 3893, 4726, 6443, 7786, 9452, 12886, 15572, 25772, 31831, 52681, 63662, 86791, 105362, 127324, 173582, 210724, 347164, 541127, 895577, 1082254, 1475447, 1791154, 2164508, 2950894, 3582308, 5901788, 12063949, 24127898, 48255796, 205087133, 410174266, 820348532]

約数ペア:

[(1, 820348532), (2, 410174266), (4, 205087133), (17, 48255796), (34, 24127898), (68, 12063949), (139, 5901788), (229, 3582308), (278, 2950894), (379, 2164508), (458, 1791154), (556, 1475447), (758, 1082254), (916, 895577), (1516, 541127), (2363, 347164), (3893, 210724), (4726, 173582), (6443, 127324), (7786, 105362), (9452, 86791), (12886, 63662), (15572, 52681), (25772, 31831)]