81799172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13219}}^1$

素因数の和:13260

約数の個数: 48

約数和(自身を含む): 186560640

約数和(自身を除く): 104761468

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 6188, 13219, 26438, 52876, 92533, 171847, 185066, 224723, 343694, 370132, 449446, 687388, 898892, 1202929, 1573061, 2405858, 2921399, 3146122, 4811716, 5842798, 6292244, 11685596, 20449793, 40899586, 81799172]

約数ペア:

[(1, 81799172), (2, 40899586), (4, 20449793), (7, 11685596), (13, 6292244), (14, 5842798), (17, 4811716), (26, 3146122), (28, 2921399), (34, 2405858), (52, 1573061), (68, 1202929), (91, 898892), (119, 687388), (182, 449446), (221, 370132), (238, 343694), (364, 224723), (442, 185066), (476, 171847), (884, 92533), (1547, 52876), (3094, 26438), (6188, 13219)]