640476642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{14431}}^1$

素因数の和:15018

約数の個数: 32

約数和(自身を含む): 1382008320

約数和(自身を除く): 741531678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 569, 1138, 1707, 3414, 7397, 14431, 14794, 22191, 28862, 43293, 44382, 86586, 187603, 375206, 562809, 1125618, 8211239, 16422478, 24633717, 49267434, 106746107, 213492214, 320238321, 640476642]

約数ペア:

[(1, 640476642), (2, 320238321), (3, 213492214), (6, 106746107), (13, 49267434), (26, 24633717), (39, 16422478), (78, 8211239), (569, 1125618), (1138, 562809), (1707, 375206), (3414, 187603), (7397, 86586), (14431, 44382), (14794, 43293), (22191, 28862)]