257564664

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{170347}}^1$

素因数の和:170369

約数の個数: 64

約数和(自身を含む): 817670400

約数和(自身を除く): 560105736

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 170347, 340694, 511041, 681388, 1022082, 1192429, 1362776, 1533123, 2044164, 2384858, 3066246, 3577287, 4088328, 4599369, 4769716, 6132492, 7154574, 9198738, 9539432, 10731861, 12264984, 14309148, 18397476, 21463722, 28618296, 32195583, 36794952, 42927444, 64391166, 85854888, 128782332, 257564664]

約数ペア:

[(1, 257564664), (2, 128782332), (3, 85854888), (4, 64391166), (6, 42927444), (7, 36794952), (8, 32195583), (9, 28618296), (12, 21463722), (14, 18397476), (18, 14309148), (21, 12264984), (24, 10731861), (27, 9539432), (28, 9198738), (36, 7154574), (42, 6132492), (54, 4769716), (56, 4599369), (63, 4088328), (72, 3577287), (84, 3066246), (108, 2384858), (126, 2044164), (168, 1533123), (189, 1362776), (216, 1192429), (252, 1022082), (378, 681388), (504, 511041), (756, 340694), (1512, 170347)]