218562808

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{1831}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 420773760

約数和(自身を除く): 202210952

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 347, 694, 1388, 1831, 2776, 3662, 7324, 14648, 14921, 29842, 59684, 78733, 119368, 157466, 314932, 629864, 635357, 1270714, 2541428, 5082856, 27320351, 54640702, 109281404, 218562808]

約数ペア:

[(1, 218562808), (2, 109281404), (4, 54640702), (8, 27320351), (43, 5082856), (86, 2541428), (172, 1270714), (344, 635357), (347, 629864), (694, 314932), (1388, 157466), (1831, 119368), (2776, 78733), (3662, 59684), (7324, 29842), (14648, 14921)]