56721665

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 93078720

約数和(自身を除く): 36357055

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 245, 385, 455, 539, 637, 715, 1001, 1619, 2695, 3185, 5005, 7007, 8095, 11333, 17809, 21047, 35035, 56665, 79331, 89045, 105235, 124663, 147329, 231517, 396655, 623315, 736645, 872641, 1031303, 1157585, 1620619, 4363205, 5156515, 8103095, 11344333, 56721665]

約数ペア:

[(1, 56721665), (5, 11344333), (7, 8103095), (11, 5156515), (13, 4363205), (35, 1620619), (49, 1157585), (55, 1031303), (65, 872641), (77, 736645), (91, 623315), (143, 396655), (245, 231517), (385, 147329), (455, 124663), (539, 105235), (637, 89045), (715, 79331), (1001, 56665), (1619, 35035), (2695, 21047), (3185, 17809), (5005, 11333), (7007, 8095)]