28438375

素因数分解:

$5^3\times 7^2\times {\mathrm{4643}}^1$

素因数の和:4672

約数の個数: 24

約数和(自身を含む): 41294448

約数和(自身を除く): 12856073

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 875, 1225, 4643, 6125, 23215, 32501, 116075, 162505, 227507, 580375, 812525, 1137535, 4062625, 5687675, 28438375]

約数ペア:

[(1, 28438375), (5, 5687675), (7, 4062625), (25, 1137535), (35, 812525), (49, 580375), (125, 227507), (175, 162505), (245, 116075), (875, 32501), (1225, 23215), (4643, 6125)]