87434128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{321449}}^1$

素因数の和:321474

約数の個数: 20

約数和(自身を含む): 179369100

約数和(自身を除く): 91934972

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 321449, 642898, 1285796, 2571592, 5143184, 5464633, 10929266, 21858532, 43717064, 87434128]

約数ペア:

[(1, 87434128), (2, 43717064), (4, 21858532), (8, 10929266), (16, 5464633), (17, 5143184), (34, 2571592), (68, 1285796), (136, 642898), (272, 321449)]