297330278

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 556416000

約数和(自身を除く): 259085722

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 137, 199, 266, 274, 287, 398, 574, 779, 959, 1393, 1558, 1918, 2603, 2786, 3781, 5206, 5453, 5617, 7562, 8159, 10906, 11234, 16318, 18221, 26467, 27263, 36442, 39319, 52934, 54526, 57113, 78638, 106723, 114226, 155021, 190841, 213446, 310042, 381682, 517997, 747061, 1035994, 1085147, 1117783, 1494122, 2170294, 2235566, 3625979, 7251958, 7824481, 15648962, 21237877, 42475754, 148665139, 297330278]

約数ペア:

[(1, 297330278), (2, 148665139), (7, 42475754), (14, 21237877), (19, 15648962), (38, 7824481), (41, 7251958), (82, 3625979), (133, 2235566), (137, 2170294), (199, 1494122), (266, 1117783), (274, 1085147), (287, 1035994), (398, 747061), (574, 517997), (779, 381682), (959, 310042), (1393, 213446), (1558, 190841), (1918, 155021), (2603, 114226), (2786, 106723), (3781, 78638), (5206, 57113), (5453, 54526), (5617, 52934), (7562, 39319), (8159, 36442), (10906, 27263), (11234, 26467), (16318, 18221)]