28748045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 9959155

約数列:

[1, 5, 19, 23, 59, 95, 115, 223, 295, 437, 1115, 1121, 1357, 2185, 4237, 5129, 5605, 6785, 13157, 21185, 25645, 25783, 65785, 97451, 128915, 249983, 302611, 487255, 1249915, 1513055, 5749609, 28748045]

約数ペア:

[(1, 28748045), (5, 5749609), (19, 1513055), (23, 1249915), (59, 487255), (95, 302611), (115, 249983), (223, 128915), (295, 97451), (437, 65785), (1115, 25783), (1121, 25645), (1357, 21185), (2185, 13157), (4237, 6785), (5129, 5605)]