398901471712

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{140063719}}^1$

素因数の和:140063818

約数の個数: 24

約数和(自身を含む): 794161292400

約数和(自身を除く): 395259820688

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 140063719, 280127438, 560254876, 1120509752, 2241019504, 4482039008, 12465670991, 24931341982, 49862683964, 99725367928, 199450735856, 398901471712]

約数ペア:

[(1, 398901471712), (2, 199450735856), (4, 99725367928), (8, 49862683964), (16, 24931341982), (32, 12465670991), (89, 4482039008), (178, 2241019504), (356, 1120509752), (712, 560254876), (1424, 280127438), (2848, 140063719)]