204818718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:913

約数の個数: 64

約数和(自身を含む): 457712640

約数和(自身を除く): 252893922

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 79, 86, 129, 158, 237, 258, 474, 559, 773, 1027, 1118, 1546, 1677, 2054, 2319, 3081, 3354, 3397, 4638, 6162, 6794, 10049, 10191, 20098, 20382, 30147, 33239, 44161, 60294, 61067, 66478, 88322, 99717, 122134, 132483, 183201, 199434, 264966, 366402, 432107, 793871, 864214, 1296321, 1587742, 2381613, 2592642, 2625881, 4763226, 5251762, 7877643, 15755286, 34136453, 68272906, 102409359, 204818718]

約数ペア:

[(1, 204818718), (2, 102409359), (3, 68272906), (6, 34136453), (13, 15755286), (26, 7877643), (39, 5251762), (43, 4763226), (78, 2625881), (79, 2592642), (86, 2381613), (129, 1587742), (158, 1296321), (237, 864214), (258, 793871), (474, 432107), (559, 366402), (773, 264966), (1027, 199434), (1118, 183201), (1546, 132483), (1677, 122134), (2054, 99717), (2319, 88322), (3081, 66478), (3354, 61067), (3397, 60294), (4638, 44161), (6162, 33239), (6794, 30147), (10049, 20382), (10191, 20098)]