28989130

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1667}}^1$

素因数の和:1758

約数の個数: 32

約数和(自身を含む): 54763776

約数和(自身を除く): 25774646

約数列:

[1, 2, 5, 10, 37, 47, 74, 94, 185, 235, 370, 470, 1667, 1739, 3334, 3478, 8335, 8695, 16670, 17390, 61679, 78349, 123358, 156698, 308395, 391745, 616790, 783490, 2898913, 5797826, 14494565, 28989130]

約数ペア:

[(1, 28989130), (2, 14494565), (5, 5797826), (10, 2898913), (37, 783490), (47, 616790), (74, 391745), (94, 308395), (185, 156698), (235, 123358), (370, 78349), (470, 61679), (1667, 17390), (1739, 16670), (3334, 8695), (3478, 8335)]