645976944

素因数分解:

$2^4\times 3^4\times {\mathrm{498439}}^1$

素因数の和:498459

約数の個数: 50

約数和(自身を含む): 1869648440

約数和(自身を除く): 1223671496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 498439, 996878, 1495317, 1993756, 2990634, 3987512, 4485951, 5981268, 7975024, 8971902, 11962536, 13457853, 17943804, 23925072, 26915706, 35887608, 40373559, 53831412, 71775216, 80747118, 107662824, 161494236, 215325648, 322988472, 645976944]

約数ペア:

[(1, 645976944), (2, 322988472), (3, 215325648), (4, 161494236), (6, 107662824), (8, 80747118), (9, 71775216), (12, 53831412), (16, 40373559), (18, 35887608), (24, 26915706), (27, 23925072), (36, 17943804), (48, 13457853), (54, 11962536), (72, 8971902), (81, 7975024), (108, 5981268), (144, 4485951), (162, 3987512), (216, 2990634), (324, 1993756), (432, 1495317), (648, 996878), (1296, 498439)]