28937989864

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{354667}}^1$

素因数の和:354758

約数の個数: 64

約数和(自身を含む): 65372405760

約数和(自身を除く): 36434415896

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 47, 56, 62, 94, 124, 188, 217, 248, 329, 376, 434, 658, 868, 1316, 1457, 1736, 2632, 2914, 5828, 10199, 11656, 20398, 40796, 81592, 354667, 709334, 1418668, 2482669, 2837336, 4965338, 9930676, 10994677, 16669349, 19861352, 21989354, 33338698, 43978708, 66677396, 76962739, 87957416, 116685443, 133354792, 153925478, 233370886, 307850956, 466741772, 516749819, 615701912, 933483544, 1033499638, 2066999276, 3617248733, 4133998552, 7234497466, 14468994932, 28937989864]

約数ペア:

[(1, 28937989864), (2, 14468994932), (4, 7234497466), (7, 4133998552), (8, 3617248733), (14, 2066999276), (28, 1033499638), (31, 933483544), (47, 615701912), (56, 516749819), (62, 466741772), (94, 307850956), (124, 233370886), (188, 153925478), (217, 133354792), (248, 116685443), (329, 87957416), (376, 76962739), (434, 66677396), (658, 43978708), (868, 33338698), (1316, 21989354), (1457, 19861352), (1736, 16669349), (2632, 10994677), (2914, 9930676), (5828, 4965338), (10199, 2837336), (11656, 2482669), (20398, 1418668), (40796, 709334), (81592, 354667)]