38778005

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 55496448

約数和(自身を除く): 16718443

約数列:

[1, 5, 7, 35, 41, 61, 205, 287, 305, 427, 443, 1435, 2135, 2215, 2501, 3101, 12505, 15505, 17507, 18163, 27023, 87535, 90815, 127141, 135115, 189161, 635705, 945805, 1107943, 5539715, 7755601, 38778005]

約数ペア:

[(1, 38778005), (5, 7755601), (7, 5539715), (35, 1107943), (41, 945805), (61, 635705), (205, 189161), (287, 135115), (305, 127141), (427, 90815), (443, 87535), (1435, 27023), (2135, 18163), (2215, 17507), (2501, 15505), (3101, 12505)]