128731164

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{787}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 308719488

約数和(自身を除く): 179988324

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 317, 516, 634, 787, 951, 1268, 1574, 1902, 2361, 3148, 3804, 4722, 9444, 13631, 27262, 33841, 40893, 54524, 67682, 81786, 101523, 135364, 163572, 203046, 249479, 406092, 498958, 748437, 997916, 1496874, 2993748, 10727597, 21455194, 32182791, 42910388, 64365582, 128731164]

約数ペア:

[(1, 128731164), (2, 64365582), (3, 42910388), (4, 32182791), (6, 21455194), (12, 10727597), (43, 2993748), (86, 1496874), (129, 997916), (172, 748437), (258, 498958), (317, 406092), (516, 249479), (634, 203046), (787, 163572), (951, 135364), (1268, 101523), (1574, 81786), (1902, 67682), (2361, 54524), (3148, 40893), (3804, 33841), (4722, 27262), (9444, 13631)]