1556222444

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{21601}}^1$

素因数の和:21726

約数の個数: 48

約数和(自身を含む): 3251705856

約数和(自身を除く): 1695483412

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 83, 124, 166, 217, 332, 434, 581, 868, 1162, 2324, 2573, 5146, 10292, 18011, 21601, 36022, 43202, 72044, 86404, 151207, 302414, 604828, 669631, 1339262, 1792883, 2678524, 3585766, 4687417, 7171532, 9374834, 12550181, 18749668, 25100362, 50200724, 55579373, 111158746, 222317492, 389055611, 778111222, 1556222444]

約数ペア:

[(1, 1556222444), (2, 778111222), (4, 389055611), (7, 222317492), (14, 111158746), (28, 55579373), (31, 50200724), (62, 25100362), (83, 18749668), (124, 12550181), (166, 9374834), (217, 7171532), (332, 4687417), (434, 3585766), (581, 2678524), (868, 1792883), (1162, 1339262), (2324, 669631), (2573, 604828), (5146, 302414), (10292, 151207), (18011, 86404), (21601, 72044), (36022, 43202)]