28205790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15413}}^1$

素因数の和:15484

約数の個数: 32

約数和(自身を含む): 68808096

約数和(自身を除く): 40602306

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 15413, 30826, 46239, 77065, 92478, 154130, 231195, 462390, 940193, 1880386, 2820579, 4700965, 5641158, 9401930, 14102895, 28205790]

約数ペア:

[(1, 28205790), (2, 14102895), (3, 9401930), (5, 5641158), (6, 4700965), (10, 2820579), (15, 1880386), (30, 940193), (61, 462390), (122, 231195), (183, 154130), (305, 92478), (366, 77065), (610, 46239), (915, 30826), (1830, 15413)]