28989890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{523}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 54781056

約数和(自身を除く): 25791166

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 241, 482, 523, 1046, 1205, 2410, 2615, 5230, 5543, 11086, 12029, 24058, 27715, 55430, 60145, 120290, 126043, 252086, 630215, 1260430, 2898989, 5797978, 14494945, 28989890]

約数ペア:

[(1, 28989890), (2, 14494945), (5, 5797978), (10, 2898989), (23, 1260430), (46, 630215), (115, 252086), (230, 126043), (241, 120290), (482, 60145), (523, 55430), (1046, 27715), (1205, 24058), (2410, 12029), (2615, 11086), (5230, 5543)]