213570868

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2557}}^1$

素因数の和:2744

約数の個数: 48

約数和(自身を含む): 452663680

約数和(自身を除く): 239092812

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 157, 266, 314, 532, 628, 1099, 2198, 2557, 2983, 4396, 5114, 5966, 10228, 11932, 17899, 20881, 35798, 41762, 48583, 71596, 83524, 97166, 194332, 340081, 401449, 680162, 802898, 1360324, 1605796, 2810143, 5620286, 7627531, 11240572, 15255062, 30510124, 53392717, 106785434, 213570868]

約数ペア:

[(1, 213570868), (2, 106785434), (4, 53392717), (7, 30510124), (14, 15255062), (19, 11240572), (28, 7627531), (38, 5620286), (76, 2810143), (133, 1605796), (157, 1360324), (266, 802898), (314, 680162), (532, 401449), (628, 340081), (1099, 194332), (2198, 97166), (2557, 83524), (2983, 71596), (4396, 48583), (5114, 41762), (5966, 35798), (10228, 20881), (11932, 17899)]