128635444

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 263208960

約数和(自身を除く): 134573516

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 191, 268, 359, 382, 469, 718, 764, 938, 1337, 1436, 1876, 2513, 2674, 5026, 5348, 10052, 12797, 24053, 25594, 48106, 51188, 68569, 89579, 96212, 137138, 168371, 179158, 274276, 336742, 358316, 479983, 673484, 959966, 1919932, 4594123, 9188246, 18376492, 32158861, 64317722, 128635444]

約数ペア:

[(1, 128635444), (2, 64317722), (4, 32158861), (7, 18376492), (14, 9188246), (28, 4594123), (67, 1919932), (134, 959966), (191, 673484), (268, 479983), (359, 358316), (382, 336742), (469, 274276), (718, 179158), (764, 168371), (938, 137138), (1337, 96212), (1436, 89579), (1876, 68569), (2513, 51188), (2674, 48106), (5026, 25594), (5348, 24053), (10052, 12797)]