28156930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1861}}^1$

素因数の和:1974

約数の個数: 32

約数和(自身を含む): 54295920

約数和(自身を除く): 26138990

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 1861, 3026, 3722, 7565, 9305, 15130, 18610, 31637, 63274, 158185, 165629, 316370, 331258, 828145, 1656290, 2815693, 5631386, 14078465, 28156930]

約数ペア:

[(1, 28156930), (2, 14078465), (5, 5631386), (10, 2815693), (17, 1656290), (34, 828145), (85, 331258), (89, 316370), (170, 165629), (178, 158185), (445, 63274), (890, 31637), (1513, 18610), (1861, 15130), (3026, 9305), (3722, 7565)]