28199270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{953}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 55637280

約数和(自身を除く): 27438010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 269, 538, 953, 1345, 1906, 2690, 2959, 4765, 5918, 9530, 10483, 14795, 20966, 29590, 52415, 104830, 256357, 512714, 1281785, 2563570, 2819927, 5639854, 14099635, 28199270]

約数ペア:

[(1, 28199270), (2, 14099635), (5, 5639854), (10, 2819927), (11, 2563570), (22, 1281785), (55, 512714), (110, 256357), (269, 104830), (538, 52415), (953, 29590), (1345, 20966), (1906, 14795), (2690, 10483), (2959, 9530), (4765, 5918)]