128656758

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 271541808

約数和(自身を除く): 142885050

約数列:

[1, 2, 3, 6, 31, 53, 62, 93, 106, 159, 186, 318, 421, 842, 961, 1263, 1643, 1922, 2526, 2883, 3286, 4929, 5766, 9858, 13051, 22313, 26102, 39153, 44626, 50933, 66939, 78306, 101866, 133878, 152799, 305598, 404581, 691703, 809162, 1213743, 1383406, 2075109, 2427486, 4150218, 21442793, 42885586, 64328379, 128656758]

約数ペア:

[(1, 128656758), (2, 64328379), (3, 42885586), (6, 21442793), (31, 4150218), (53, 2427486), (62, 2075109), (93, 1383406), (106, 1213743), (159, 809162), (186, 691703), (318, 404581), (421, 305598), (842, 152799), (961, 133878), (1263, 101866), (1643, 78306), (1922, 66939), (2526, 50933), (2883, 44626), (3286, 39153), (4929, 26102), (5766, 22313), (9858, 13051)]