2181194782

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 3728793600

約数和(自身を除く): 1547598818

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 169, 239, 338, 403, 478, 806, 871, 1742, 2077, 2197, 3107, 4154, 4394, 5239, 6214, 7409, 10478, 11323, 14818, 16013, 22646, 27001, 32026, 40391, 54002, 68107, 80782, 96317, 136214, 147199, 192634, 208169, 294398, 351013, 416338, 496403, 525083, 702026, 992806, 1050166, 1252121, 2504242, 2706197, 4563169, 5412394, 6453239, 9126338, 12906478, 16277573, 32555146, 35180561, 70361122, 83892107, 167784214, 1090597391, 2181194782]

約数ペア:

[(1, 2181194782), (2, 1090597391), (13, 167784214), (26, 83892107), (31, 70361122), (62, 35180561), (67, 32555146), (134, 16277573), (169, 12906478), (239, 9126338), (338, 6453239), (403, 5412394), (478, 4563169), (806, 2706197), (871, 2504242), (1742, 1252121), (2077, 1050166), (2197, 992806), (3107, 702026), (4154, 525083), (4394, 496403), (5239, 416338), (6214, 351013), (7409, 294398), (10478, 208169), (11323, 192634), (14818, 147199), (16013, 136214), (22646, 96317), (27001, 80782), (32026, 68107), (40391, 54002)]