257430898

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{353}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 416346480

約数和(自身を除く): 158915582

約数列:

[1, 2, 17, 34, 89, 178, 241, 353, 482, 706, 1513, 3026, 4097, 6001, 8194, 12002, 21449, 31417, 42898, 62834, 85073, 170146, 364633, 534089, 729266, 1068178, 1446241, 2892482, 7571497, 15142994, 128715449, 257430898]

約数ペア:

[(1, 257430898), (2, 128715449), (17, 15142994), (34, 7571497), (89, 2892482), (178, 1446241), (241, 1068178), (353, 729266), (482, 534089), (706, 364633), (1513, 170146), (3026, 85073), (4097, 62834), (6001, 42898), (8194, 31417), (12002, 21449)]