131789776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4871}}^1$

素因数の和:4987

約数の個数: 40

約数和(自身を含む): 271857600

約数和(自身を除く): 140067824

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1424, 1691, 3382, 4871, 6764, 9742, 13528, 19484, 27056, 38968, 77936, 92549, 185098, 370196, 433519, 740392, 867038, 1480784, 1734076, 3468152, 6936304, 8236861, 16473722, 32947444, 65894888, 131789776]

約数ペア:

[(1, 131789776), (2, 65894888), (4, 32947444), (8, 16473722), (16, 8236861), (19, 6936304), (38, 3468152), (76, 1734076), (89, 1480784), (152, 867038), (178, 740392), (304, 433519), (356, 370196), (712, 185098), (1424, 92549), (1691, 77936), (3382, 38968), (4871, 27056), (6764, 19484), (9742, 13528)]