668149136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 1414195200

約数和(自身を除く): 746046064

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 79, 86, 152, 158, 172, 304, 316, 344, 632, 647, 688, 817, 1264, 1294, 1501, 1634, 2588, 3002, 3268, 3397, 5176, 6004, 6536, 6794, 10352, 12008, 12293, 13072, 13588, 24016, 24586, 27176, 27821, 49172, 51113, 54352, 55642, 64543, 98344, 102226, 111284, 129086, 196688, 204452, 222568, 258172, 408904, 445136, 516344, 528599, 817808, 971147, 1032688, 1057198, 1942294, 2114396, 2197859, 3884588, 4228792, 4395718, 7769176, 8457584, 8791436, 15538352, 17582872, 35165744, 41759321, 83518642, 167037284, 334074568, 668149136]

約数ペア:

[(1, 668149136), (2, 334074568), (4, 167037284), (8, 83518642), (16, 41759321), (19, 35165744), (38, 17582872), (43, 15538352), (76, 8791436), (79, 8457584), (86, 7769176), (152, 4395718), (158, 4228792), (172, 3884588), (304, 2197859), (316, 2114396), (344, 1942294), (632, 1057198), (647, 1032688), (688, 971147), (817, 817808), (1264, 528599), (1294, 516344), (1501, 445136), (1634, 408904), (2588, 258172), (3002, 222568), (3268, 204452), (3397, 196688), (5176, 129086), (6004, 111284), (6536, 102226), (6794, 98344), (10352, 64543), (12008, 55642), (12293, 54352), (13072, 51113), (13588, 49172), (24016, 27821), (24586, 27176)]