388319404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 758096640

約数和(自身を除く): 369777236

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 157, 268, 314, 628, 737, 839, 1474, 1678, 1727, 2948, 3356, 3454, 6908, 9229, 10519, 18458, 21038, 36916, 42076, 56213, 112426, 115709, 131723, 224852, 231418, 263446, 462836, 526892, 618343, 1236686, 1448953, 2473372, 2897906, 5795812, 8825441, 17650882, 35301764, 97079851, 194159702, 388319404]

約数ペア:

[(1, 388319404), (2, 194159702), (4, 97079851), (11, 35301764), (22, 17650882), (44, 8825441), (67, 5795812), (134, 2897906), (157, 2473372), (268, 1448953), (314, 1236686), (628, 618343), (737, 526892), (839, 462836), (1474, 263446), (1678, 231418), (1727, 224852), (2948, 131723), (3356, 115709), (3454, 112426), (6908, 56213), (9229, 42076), (10519, 36916), (18458, 21038)]