217691908

素因数分解:

$2^2\times 7^2\times {\mathrm{541}}^1\times {\mathrm{2053}}^1$

素因数の和:2612

約数の個数: 36

約数和(自身を含む): 444193932

約数和(自身を除く): 226502024

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 541, 1082, 2053, 2164, 3787, 4106, 7574, 8212, 14371, 15148, 26509, 28742, 53018, 57484, 100597, 106036, 201194, 402388, 1110673, 2221346, 4442692, 7774711, 15549422, 31098844, 54422977, 108845954, 217691908]

約数ペア:

[(1, 217691908), (2, 108845954), (4, 54422977), (7, 31098844), (14, 15549422), (28, 7774711), (49, 4442692), (98, 2221346), (196, 1110673), (541, 402388), (1082, 201194), (2053, 106036), (2164, 100597), (3787, 57484), (4106, 53018), (7574, 28742), (8212, 26509), (14371, 15148)]