397399896

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{290497}}^1$

素因数の和:290528

約数の個数: 48

約数和(自身を含む): 1132942200

約数和(自身を除く): 735542304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 290497, 580994, 871491, 1161988, 1742982, 2323976, 2614473, 3485964, 5228946, 5519443, 6971928, 10457892, 11038886, 16558329, 20915784, 22077772, 33116658, 44155544, 49674987, 66233316, 99349974, 132466632, 198699948, 397399896]

約数ペア:

[(1, 397399896), (2, 198699948), (3, 132466632), (4, 99349974), (6, 66233316), (8, 49674987), (9, 44155544), (12, 33116658), (18, 22077772), (19, 20915784), (24, 16558329), (36, 11038886), (38, 10457892), (57, 6971928), (72, 5519443), (76, 5228946), (114, 3485964), (152, 2614473), (171, 2323976), (228, 1742982), (342, 1161988), (456, 871491), (684, 580994), (1368, 290497)]