28810375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 12163961

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 253, 275, 575, 911, 1265, 1375, 2875, 4555, 6325, 10021, 20953, 22775, 31625, 50105, 104765, 113875, 230483, 250525, 523825, 1152415, 1252625, 2619125, 5762075, 28810375]

約数ペア:

[(1, 28810375), (5, 5762075), (11, 2619125), (23, 1252625), (25, 1152415), (55, 523825), (115, 250525), (125, 230483), (253, 113875), (275, 104765), (575, 50105), (911, 31625), (1265, 22775), (1375, 20953), (2875, 10021), (4555, 6325)]