40187854

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{911}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 72493056

約数和(自身を除く): 32305202

約数列:

[1, 2, 7, 14, 23, 46, 137, 161, 274, 322, 911, 959, 1822, 1918, 3151, 6302, 6377, 12754, 20953, 22057, 41906, 44114, 124807, 146671, 249614, 293342, 873649, 1747298, 2870561, 5741122, 20093927, 40187854]

約数ペア:

[(1, 40187854), (2, 20093927), (7, 5741122), (14, 2870561), (23, 1747298), (46, 873649), (137, 293342), (161, 249614), (274, 146671), (322, 124807), (911, 44114), (959, 41906), (1822, 22057), (1918, 20953), (3151, 12754), (6302, 6377)]