28751864

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 31123336

約数列:

[1, 2, 4, 8, 19, 38, 43, 53, 76, 83, 86, 106, 152, 166, 172, 212, 332, 344, 424, 664, 817, 1007, 1577, 1634, 2014, 2279, 3154, 3268, 3569, 4028, 4399, 4558, 6308, 6536, 7138, 8056, 8798, 9116, 12616, 14276, 17596, 18232, 28552, 35192, 43301, 67811, 83581, 86602, 135622, 167162, 173204, 189157, 271244, 334324, 346408, 378314, 542488, 668648, 756628, 1513256, 3593983, 7187966, 14375932, 28751864]

約数ペア:

[(1, 28751864), (2, 14375932), (4, 7187966), (8, 3593983), (19, 1513256), (38, 756628), (43, 668648), (53, 542488), (76, 378314), (83, 346408), (86, 334324), (106, 271244), (152, 189157), (166, 173204), (172, 167162), (212, 135622), (332, 86602), (344, 83581), (424, 67811), (664, 43301), (817, 35192), (1007, 28552), (1577, 18232), (1634, 17596), (2014, 14276), (2279, 12616), (3154, 9116), (3268, 8798), (3569, 8056), (4028, 7138), (4399, 6536), (4558, 6308)]