261983376

素因数分解:

$2^4\times 3^3\times {\mathrm{606443}}^1$

素因数の和:606460

約数の個数: 40

約数和(自身を含む): 751990560

約数和(自身を除く): 490007184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 606443, 1212886, 1819329, 2425772, 3638658, 4851544, 5457987, 7277316, 9703088, 10915974, 14554632, 16373961, 21831948, 29109264, 32747922, 43663896, 65495844, 87327792, 130991688, 261983376]

約数ペア:

[(1, 261983376), (2, 130991688), (3, 87327792), (4, 65495844), (6, 43663896), (8, 32747922), (9, 29109264), (12, 21831948), (16, 16373961), (18, 14554632), (24, 10915974), (27, 9703088), (36, 7277316), (48, 5457987), (54, 4851544), (72, 3638658), (108, 2425772), (144, 1819329), (216, 1212886), (432, 606443)]