81312308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1163}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 178343424

約数和(自身を除く): 97031116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 227, 308, 454, 908, 1163, 1589, 2326, 2497, 3178, 4652, 4994, 6356, 8141, 9988, 12793, 16282, 17479, 25586, 32564, 34958, 51172, 69916, 89551, 179102, 264001, 358204, 528002, 1056004, 1848007, 2904011, 3696014, 5808022, 7392028, 11616044, 20328077, 40656154, 81312308]

約数ペア:

[(1, 81312308), (2, 40656154), (4, 20328077), (7, 11616044), (11, 7392028), (14, 5808022), (22, 3696014), (28, 2904011), (44, 1848007), (77, 1056004), (154, 528002), (227, 358204), (308, 264001), (454, 179102), (908, 89551), (1163, 69916), (1589, 51172), (2326, 34958), (2497, 32564), (3178, 25586), (4652, 17479), (4994, 16282), (6356, 12793), (8141, 9988)]