161856136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{811}}^1$

素因数の和:950

約数の個数: 64

約数和(自身を含む): 347860800

約数和(自身を除く): 186004664

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 101, 104, 152, 202, 247, 404, 494, 808, 811, 988, 1313, 1622, 1919, 1976, 2626, 3244, 3838, 5252, 6488, 7676, 10504, 10543, 15352, 15409, 21086, 24947, 30818, 42172, 49894, 61636, 81911, 84344, 99788, 123272, 163822, 199576, 200317, 327644, 400634, 655288, 801268, 1064843, 1556309, 1602536, 2129686, 3112618, 4259372, 6225236, 8518744, 12450472, 20232017, 40464034, 80928068, 161856136]

約数ペア:

[(1, 161856136), (2, 80928068), (4, 40464034), (8, 20232017), (13, 12450472), (19, 8518744), (26, 6225236), (38, 4259372), (52, 3112618), (76, 2129686), (101, 1602536), (104, 1556309), (152, 1064843), (202, 801268), (247, 655288), (404, 400634), (494, 327644), (808, 200317), (811, 199576), (988, 163822), (1313, 123272), (1622, 99788), (1919, 84344), (1976, 81911), (2626, 61636), (3244, 49894), (3838, 42172), (5252, 30818), (6488, 24947), (7676, 21086), (10504, 15409), (10543, 15352)]