217968478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{5011}}^1$

素因数の和:5272

約数の個数: 32

約数和(自身を含む): 404167680

約数和(自身を除く): 186199202

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 239, 478, 1673, 3107, 3346, 5011, 6214, 10022, 21749, 35077, 43498, 65143, 70154, 130286, 456001, 912002, 1197629, 2395258, 8383403, 15569177, 16766806, 31138354, 108984239, 217968478]

約数ペア:

[(1, 217968478), (2, 108984239), (7, 31138354), (13, 16766806), (14, 15569177), (26, 8383403), (91, 2395258), (182, 1197629), (239, 912002), (478, 456001), (1673, 130286), (3107, 70154), (3346, 65143), (5011, 43498), (6214, 35077), (10022, 21749)]