28791378

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20773}}^1$

素因数の和:20799

約数の個数: 48

約数和(自身を含む): 77777856

約数和(自身を除く): 48986478

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 20773, 41546, 62319, 124638, 145411, 186957, 228503, 290822, 373914, 436233, 457006, 685509, 872466, 1308699, 1371018, 1599521, 2056527, 2617398, 3199042, 4113054, 4798563, 9597126, 14395689, 28791378]

約数ペア:

[(1, 28791378), (2, 14395689), (3, 9597126), (6, 4798563), (7, 4113054), (9, 3199042), (11, 2617398), (14, 2056527), (18, 1599521), (21, 1371018), (22, 1308699), (33, 872466), (42, 685509), (63, 457006), (66, 436233), (77, 373914), (99, 290822), (126, 228503), (154, 186957), (198, 145411), (231, 124638), (462, 62319), (693, 41546), (1386, 20773)]