28248815

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 41399424

約数和(自身を除く): 13150609

約数列:

[1, 5, 7, 17, 35, 85, 119, 197, 241, 595, 985, 1205, 1379, 1687, 3349, 4097, 6895, 8435, 16745, 20485, 23443, 28679, 47477, 117215, 143395, 237385, 332339, 807109, 1661695, 4035545, 5649763, 28248815]

約数ペア:

[(1, 28248815), (5, 5649763), (7, 4035545), (17, 1661695), (35, 807109), (85, 332339), (119, 237385), (197, 143395), (241, 117215), (595, 47477), (985, 28679), (1205, 23443), (1379, 20485), (1687, 16745), (3349, 8435), (4097, 6895)]