78613456

素因数分解:

$2^4\times {\mathrm{37}}^3\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 40

約数和(自身を含む): 158158280

約数和(自身を除く): 79544824

約数列:

[1, 2, 4, 8, 16, 37, 74, 97, 148, 194, 296, 388, 592, 776, 1369, 1552, 2738, 3589, 5476, 7178, 10952, 14356, 21904, 28712, 50653, 57424, 101306, 132793, 202612, 265586, 405224, 531172, 810448, 1062344, 2124688, 4913341, 9826682, 19653364, 39306728, 78613456]

約数ペア:

[(1, 78613456), (2, 39306728), (4, 19653364), (8, 9826682), (16, 4913341), (37, 2124688), (74, 1062344), (97, 810448), (148, 531172), (194, 405224), (296, 265586), (388, 202612), (592, 132793), (776, 101306), (1369, 57424), (1552, 50653), (2738, 28712), (3589, 21904), (5476, 14356), (7178, 10952)]