1212390145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{224309}}^1$

素因数の和:224384

約数の個数: 16

約数和(自身を含む): 1550430720

約数和(自身を除く): 338040575

約数列:

[1, 5, 23, 47, 115, 235, 1081, 5405, 224309, 1121545, 5159107, 10542523, 25795535, 52712615, 242478029, 1212390145]

約数ペア:

[(1, 1212390145), (5, 242478029), (23, 52712615), (47, 25795535), (115, 10542523), (235, 5159107), (1081, 1121545), (5405, 224309)]