9890188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 21821184

約数和(自身を除く): 11930996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 163, 197, 308, 326, 394, 652, 788, 1141, 1379, 1793, 2167, 2282, 2758, 3586, 4334, 4564, 5516, 7172, 8668, 12551, 15169, 25102, 30338, 32111, 50204, 60676, 64222, 128444, 224777, 353221, 449554, 706442, 899108, 1412884, 2472547, 4945094, 9890188]

約数ペア:

[(1, 9890188), (2, 4945094), (4, 2472547), (7, 1412884), (11, 899108), (14, 706442), (22, 449554), (28, 353221), (44, 224777), (77, 128444), (154, 64222), (163, 60676), (197, 50204), (308, 32111), (326, 30338), (394, 25102), (652, 15169), (788, 12551), (1141, 8668), (1379, 7172), (1793, 5516), (2167, 4564), (2282, 4334), (2758, 3586)]