28780104

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{16427}}^1$

素因数の和:16509

約数の個数: 32

約数和(自身を含む): 72940320

約数和(自身を除く): 44160216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 16427, 32854, 49281, 65708, 98562, 131416, 197124, 394248, 1199171, 2398342, 3597513, 4796684, 7195026, 9593368, 14390052, 28780104]

約数ペア:

[(1, 28780104), (2, 14390052), (3, 9593368), (4, 7195026), (6, 4796684), (8, 3597513), (12, 2398342), (24, 1199171), (73, 394248), (146, 197124), (219, 131416), (292, 98562), (438, 65708), (584, 49281), (876, 32854), (1752, 16427)]