28359575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 39806976

約数和(自身を除く): 11447401

約数列:

[1, 5, 23, 25, 31, 37, 43, 115, 155, 185, 215, 575, 713, 775, 851, 925, 989, 1075, 1147, 1333, 1591, 3565, 4255, 4945, 5735, 6665, 7955, 17825, 21275, 24725, 26381, 28675, 30659, 33325, 36593, 39775, 49321, 131905, 153295, 182965, 246605, 659525, 766475, 914825, 1134383, 1233025, 5671915, 28359575]

約数ペア:

[(1, 28359575), (5, 5671915), (23, 1233025), (25, 1134383), (31, 914825), (37, 766475), (43, 659525), (115, 246605), (155, 182965), (185, 153295), (215, 131905), (575, 49321), (713, 39775), (775, 36593), (851, 33325), (925, 30659), (989, 28675), (1075, 26381), (1147, 24725), (1333, 21275), (1591, 17825), (3565, 7955), (4255, 6665), (4945, 5735)]