215512518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{16349}}^1$

素因数の和:16393

約数の個数: 32

約数和(自身を含む): 466956000

約数和(自身を除く): 251443482

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 2197, 4394, 6591, 13182, 16349, 32698, 49047, 98094, 212537, 425074, 637611, 1275222, 2762981, 5525962, 8288943, 16577886, 35918753, 71837506, 107756259, 215512518]

約数ペア:

[(1, 215512518), (2, 107756259), (3, 71837506), (6, 35918753), (13, 16577886), (26, 8288943), (39, 5525962), (78, 2762981), (169, 1275222), (338, 637611), (507, 425074), (1014, 212537), (2197, 98094), (4394, 49047), (6591, 32698), (13182, 16349)]