28173798

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 37490202

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 59, 74, 111, 118, 177, 222, 239, 333, 354, 478, 531, 666, 717, 999, 1062, 1434, 1593, 1998, 2151, 2183, 3186, 4302, 4366, 6453, 6549, 8843, 12906, 13098, 14101, 17686, 19647, 26529, 28202, 39294, 42303, 53058, 58941, 79587, 84606, 117882, 126909, 159174, 238761, 253818, 380727, 477522, 521737, 761454, 1043474, 1565211, 3130422, 4695633, 9391266, 14086899, 28173798]

約数ペア:

[(1, 28173798), (2, 14086899), (3, 9391266), (6, 4695633), (9, 3130422), (18, 1565211), (27, 1043474), (37, 761454), (54, 521737), (59, 477522), (74, 380727), (111, 253818), (118, 238761), (177, 159174), (222, 126909), (239, 117882), (333, 84606), (354, 79587), (478, 58941), (531, 53058), (666, 42303), (717, 39294), (999, 28202), (1062, 26529), (1434, 19647), (1593, 17686), (1998, 14101), (2151, 13098), (2183, 12906), (3186, 8843), (4302, 6549), (4366, 6453)]