154444444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{227}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 345808512

約数和(自身を除く): 191364068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 154, 188, 227, 308, 329, 454, 517, 658, 908, 1034, 1316, 1589, 2068, 2209, 2497, 3178, 3619, 4418, 4994, 6356, 7238, 8836, 9988, 10669, 14476, 15463, 17479, 21338, 24299, 30926, 34958, 42676, 48598, 61852, 69916, 74683, 97196, 117359, 149366, 170093, 234718, 298732, 340186, 469436, 501443, 680372, 821513, 1002886, 1643026, 2005772, 3286052, 3510101, 5515873, 7020202, 11031746, 14040404, 22063492, 38611111, 77222222, 154444444]

約数ペア:

[(1, 154444444), (2, 77222222), (4, 38611111), (7, 22063492), (11, 14040404), (14, 11031746), (22, 7020202), (28, 5515873), (44, 3510101), (47, 3286052), (77, 2005772), (94, 1643026), (154, 1002886), (188, 821513), (227, 680372), (308, 501443), (329, 469436), (454, 340186), (517, 298732), (658, 234718), (908, 170093), (1034, 149366), (1316, 117359), (1589, 97196), (2068, 74683), (2209, 69916), (2497, 61852), (3178, 48598), (3619, 42676), (4418, 34958), (4994, 30926), (6356, 24299), (7238, 21338), (8836, 17479), (9988, 15463), (10669, 14476)]