81727778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4547}}^1$

素因数の和:4622

約数の個数: 32

約数和(自身を含む): 144080640

約数和(自身を除く): 62352862

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 209, 418, 473, 817, 946, 1634, 4547, 8987, 9094, 17974, 50017, 86393, 100034, 172786, 195521, 391042, 950323, 1900646, 2150731, 3714899, 4301462, 7429798, 40863889, 81727778]

約数ペア:

[(1, 81727778), (2, 40863889), (11, 7429798), (19, 4301462), (22, 3714899), (38, 2150731), (43, 1900646), (86, 950323), (209, 391042), (418, 195521), (473, 172786), (817, 100034), (946, 86393), (1634, 50017), (4547, 17974), (8987, 9094)]