31865932

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 65862720

約数和(自身を除く): 33996788

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 109, 197, 212, 218, 371, 394, 436, 742, 763, 788, 1379, 1484, 1526, 2758, 3052, 5516, 5777, 10441, 11554, 20882, 21473, 23108, 40439, 41764, 42946, 73087, 80878, 85892, 146174, 150311, 161756, 292348, 300622, 601244, 1138069, 2276138, 4552276, 7966483, 15932966, 31865932]

約数ペア:

[(1, 31865932), (2, 15932966), (4, 7966483), (7, 4552276), (14, 2276138), (28, 1138069), (53, 601244), (106, 300622), (109, 292348), (197, 161756), (212, 150311), (218, 146174), (371, 85892), (394, 80878), (436, 73087), (742, 42946), (763, 41764), (788, 40439), (1379, 23108), (1484, 21473), (1526, 20882), (2758, 11554), (3052, 10441), (5516, 5777)]