28617736

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 35249144

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 83, 94, 131, 166, 188, 262, 329, 332, 376, 524, 581, 658, 664, 917, 1048, 1162, 1316, 1834, 2324, 2632, 3668, 3901, 4648, 6157, 7336, 7802, 10873, 12314, 15604, 21746, 24628, 27307, 31208, 43099, 43492, 49256, 54614, 76111, 86198, 86984, 109228, 152222, 172396, 218456, 304444, 344792, 511031, 608888, 1022062, 2044124, 3577217, 4088248, 7154434, 14308868, 28617736]

約数ペア:

[(1, 28617736), (2, 14308868), (4, 7154434), (7, 4088248), (8, 3577217), (14, 2044124), (28, 1022062), (47, 608888), (56, 511031), (83, 344792), (94, 304444), (131, 218456), (166, 172396), (188, 152222), (262, 109228), (329, 86984), (332, 86198), (376, 76111), (524, 54614), (581, 49256), (658, 43492), (664, 43099), (917, 31208), (1048, 27307), (1162, 24628), (1316, 21746), (1834, 15604), (2324, 12314), (2632, 10873), (3668, 7802), (3901, 7336), (4648, 6157)]