78881296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6217}}^1$

素因数の和:6299

約数の個数: 40

約数和(自身を含む): 167313944

約数和(自身を除く): 88432648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6217, 6344, 12434, 12688, 24868, 49736, 80821, 99472, 161642, 323284, 379237, 646568, 758474, 1293136, 1516948, 3033896, 4930081, 6067792, 9860162, 19720324, 39440648, 78881296]

約数ペア:

[(1, 78881296), (2, 39440648), (4, 19720324), (8, 9860162), (13, 6067792), (16, 4930081), (26, 3033896), (52, 1516948), (61, 1293136), (104, 758474), (122, 646568), (208, 379237), (244, 323284), (488, 161642), (793, 99472), (976, 80821), (1586, 49736), (3172, 24868), (6217, 12688), (6344, 12434)]