638118

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 1559376

約数和(自身を除く): 921258

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 101, 117, 162, 202, 234, 243, 303, 351, 486, 606, 702, 909, 1053, 1313, 1818, 2106, 2626, 2727, 3159, 3939, 5454, 6318, 7878, 8181, 11817, 16362, 23634, 24543, 35451, 49086, 70902, 106353, 212706, 319059, 638118]

約数ペア:

[(1, 638118), (2, 319059), (3, 212706), (6, 106353), (9, 70902), (13, 49086), (18, 35451), (26, 24543), (27, 23634), (39, 16362), (54, 11817), (78, 8181), (81, 7878), (101, 6318), (117, 5454), (162, 3939), (202, 3159), (234, 2727), (243, 2626), (303, 2106), (351, 1818), (486, 1313), (606, 1053), (702, 909)]