81123312

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{88951}}^1$

素因数の和:88981

約数の個数: 40

約数和(自身を含む): 220600960

約数和(自身を除く): 139477648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 88951, 177902, 266853, 355804, 533706, 711608, 1067412, 1423216, 1690069, 2134824, 3380138, 4269648, 5070207, 6760276, 10140414, 13520552, 20280828, 27041104, 40561656, 81123312]

約数ペア:

[(1, 81123312), (2, 40561656), (3, 27041104), (4, 20280828), (6, 13520552), (8, 10140414), (12, 6760276), (16, 5070207), (19, 4269648), (24, 3380138), (38, 2134824), (48, 1690069), (57, 1423216), (76, 1067412), (114, 711608), (152, 533706), (228, 355804), (304, 266853), (456, 177902), (912, 88951)]