778873190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2267}}^1$

素因数の和:2381

約数の個数: 64

約数和(自身を含む): 1551965184

約数和(自身を除く): 773091994

約数列:

[1, 2, 5, 10, 17, 34, 43, 47, 85, 86, 94, 170, 215, 235, 430, 470, 731, 799, 1462, 1598, 2021, 2267, 3655, 3995, 4042, 4534, 7310, 7990, 10105, 11335, 20210, 22670, 34357, 38539, 68714, 77078, 97481, 106549, 171785, 192695, 194962, 213098, 343570, 385390, 487405, 532745, 974810, 1065490, 1657177, 1811333, 3314354, 3622666, 4581607, 8285885, 9056665, 9163214, 16571770, 18113330, 22908035, 45816070, 77887319, 155774638, 389436595, 778873190]

約数ペア:

[(1, 778873190), (2, 389436595), (5, 155774638), (10, 77887319), (17, 45816070), (34, 22908035), (43, 18113330), (47, 16571770), (85, 9163214), (86, 9056665), (94, 8285885), (170, 4581607), (215, 3622666), (235, 3314354), (430, 1811333), (470, 1657177), (731, 1065490), (799, 974810), (1462, 532745), (1598, 487405), (2021, 385390), (2267, 343570), (3655, 213098), (3995, 194962), (4042, 192695), (4534, 171785), (7310, 106549), (7990, 97481), (10105, 77078), (11335, 68714), (20210, 38539), (22670, 34357)]