1640629984

素因数分解:

$2^5\times 7^1\times {\mathrm{1867}}^1\times {\mathrm{3923}}^1$

素因数の和:5807

約数の個数: 48

約数和(自身を含む): 3694336128

約数和(自身を除く): 2053706144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1867, 3734, 3923, 7468, 7846, 13069, 14936, 15692, 26138, 27461, 29872, 31384, 52276, 54922, 59744, 62768, 104552, 109844, 125536, 209104, 219688, 418208, 439376, 878752, 7324241, 14648482, 29296964, 51269687, 58593928, 102539374, 117187856, 205078748, 234375712, 410157496, 820314992, 1640629984]

約数ペア:

[(1, 1640629984), (2, 820314992), (4, 410157496), (7, 234375712), (8, 205078748), (14, 117187856), (16, 102539374), (28, 58593928), (32, 51269687), (56, 29296964), (112, 14648482), (224, 7324241), (1867, 878752), (3734, 439376), (3923, 418208), (7468, 219688), (7846, 209104), (13069, 125536), (14936, 109844), (15692, 104552), (26138, 62768), (27461, 59744), (29872, 54922), (31384, 52276)]