28489994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1499}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 49896000

約数和(自身を除く): 21406006

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 1118, 1462, 1499, 2998, 9503, 19006, 19487, 25483, 38974, 50966, 64457, 128914, 331279, 662558, 837941, 1095769, 1675882, 2191538, 14244997, 28489994]

約数ペア:

[(1, 28489994), (2, 14244997), (13, 2191538), (17, 1675882), (26, 1095769), (34, 837941), (43, 662558), (86, 331279), (221, 128914), (442, 64457), (559, 50966), (731, 38974), (1118, 25483), (1462, 19487), (1499, 19006), (2998, 9503)]