380019913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 478924544

約数和(自身を除く): 98904631

約数列:

[1, 7, 13, 67, 91, 157, 397, 469, 871, 1099, 2041, 2779, 5161, 6097, 10519, 14287, 26599, 36127, 62329, 73633, 136747, 186193, 345787, 436303, 810277, 957229, 2420509, 4176043, 5671939, 29232301, 54288559, 380019913]

約数ペア:

[(1, 380019913), (7, 54288559), (13, 29232301), (67, 5671939), (91, 4176043), (157, 2420509), (397, 957229), (469, 810277), (871, 436303), (1099, 345787), (2041, 186193), (2779, 136747), (5161, 73633), (6097, 62329), (10519, 36127), (14287, 26599)]