81745832

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{8741}}^1$

素因数の和:8921

約数の個数: 32

約数和(自身を含む): 176238720

約数和(自身を除く): 94492888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2338, 4676, 8741, 9352, 17482, 34964, 61187, 69928, 122374, 244748, 489496, 1459747, 2919494, 5838988, 10218229, 11677976, 20436458, 40872916, 81745832]

約数ペア:

[(1, 81745832), (2, 40872916), (4, 20436458), (7, 11677976), (8, 10218229), (14, 5838988), (28, 2919494), (56, 1459747), (167, 489496), (334, 244748), (668, 122374), (1169, 69928), (1336, 61187), (2338, 34964), (4676, 17482), (8741, 9352)]