217873684

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{757}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 460136320

約数和(自身を除く): 242262636

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 541, 757, 1082, 1514, 2164, 3028, 3787, 5299, 7574, 10279, 10598, 14383, 15148, 20558, 21196, 28766, 41116, 57532, 71953, 100681, 143906, 201362, 287812, 402724, 409537, 819074, 1638148, 2866759, 5733518, 7781203, 11467036, 15562406, 31124812, 54468421, 108936842, 217873684]

約数ペア:

[(1, 217873684), (2, 108936842), (4, 54468421), (7, 31124812), (14, 15562406), (19, 11467036), (28, 7781203), (38, 5733518), (76, 2866759), (133, 1638148), (266, 819074), (532, 409537), (541, 402724), (757, 287812), (1082, 201362), (1514, 143906), (2164, 100681), (3028, 71953), (3787, 57532), (5299, 41116), (7574, 28766), (10279, 21196), (10598, 20558), (14383, 15148)]