172075351

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 211599360

約数和(自身を除く): 39524009

約数列:

[1, 7, 23, 79, 83, 161, 163, 553, 581, 1141, 1817, 1909, 3749, 6557, 12719, 12877, 13363, 13529, 26243, 45899, 90139, 94703, 150811, 296171, 311167, 1055677, 1068791, 2073197, 2178169, 7481537, 24582193, 172075351]

約数ペア:

[(1, 172075351), (7, 24582193), (23, 7481537), (79, 2178169), (83, 2073197), (161, 1068791), (163, 1055677), (553, 311167), (581, 296171), (1141, 150811), (1817, 94703), (1909, 90139), (3749, 45899), (6557, 26243), (12719, 13529), (12877, 13363)]