289602608

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:1005

約数の個数: 40

約数和(自身を含む): 568869840

約数和(自身を除く): 279267232

約数列:

[1, 2, 4, 8, 16, 139, 197, 278, 394, 556, 661, 788, 1112, 1322, 1576, 2224, 2644, 3152, 5288, 10576, 27383, 54766, 91879, 109532, 130217, 183758, 219064, 260434, 367516, 438128, 520868, 735032, 1041736, 1470064, 2083472, 18100163, 36200326, 72400652, 144801304, 289602608]

約数ペア:

[(1, 289602608), (2, 144801304), (4, 72400652), (8, 36200326), (16, 18100163), (139, 2083472), (197, 1470064), (278, 1041736), (394, 735032), (556, 520868), (661, 438128), (788, 367516), (1112, 260434), (1322, 219064), (1576, 183758), (2224, 130217), (2644, 109532), (3152, 91879), (5288, 54766), (10576, 27383)]