8129872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 16963200

約数和(自身を除く): 8833328

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 569, 752, 893, 1138, 1786, 2276, 3572, 4552, 7144, 9104, 10811, 14288, 21622, 26743, 43244, 53486, 86488, 106972, 172976, 213944, 427888, 508117, 1016234, 2032468, 4064936, 8129872]

約数ペア:

[(1, 8129872), (2, 4064936), (4, 2032468), (8, 1016234), (16, 508117), (19, 427888), (38, 213944), (47, 172976), (76, 106972), (94, 86488), (152, 53486), (188, 43244), (304, 26743), (376, 21622), (569, 14288), (752, 10811), (893, 9104), (1138, 7144), (1786, 4552), (2276, 3572)]