640026408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{3809681}}^1$

素因数の和:3809697

約数の個数: 32

約数和(自身を含む): 1828647360

約数和(自身を除く): 1188620952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 3809681, 7619362, 11429043, 15238724, 22858086, 26667767, 30477448, 45716172, 53335534, 80003301, 91432344, 106671068, 160006602, 213342136, 320013204, 640026408]

約数ペア:

[(1, 640026408), (2, 320013204), (3, 213342136), (4, 160006602), (6, 106671068), (7, 91432344), (8, 80003301), (12, 53335534), (14, 45716172), (21, 30477448), (24, 26667767), (28, 22858086), (42, 15238724), (56, 11429043), (84, 7619362), (168, 3809681)]