2559438

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 80

約数和(自身を含む): 6841824

約数和(自身を除く): 4282386

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 61, 63, 74, 81, 111, 122, 126, 162, 183, 189, 222, 259, 333, 366, 378, 427, 518, 549, 567, 666, 777, 854, 999, 1098, 1134, 1281, 1554, 1647, 1998, 2257, 2331, 2562, 2997, 3294, 3843, 4514, 4662, 4941, 5994, 6771, 6993, 7686, 9882, 11529, 13542, 13986, 15799, 20313, 20979, 23058, 31598, 34587, 40626, 41958, 47397, 60939, 69174, 94794, 121878, 142191, 182817, 284382, 365634, 426573, 853146, 1279719, 2559438]

約数ペア:

[(1, 2559438), (2, 1279719), (3, 853146), (6, 426573), (7, 365634), (9, 284382), (14, 182817), (18, 142191), (21, 121878), (27, 94794), (37, 69174), (42, 60939), (54, 47397), (61, 41958), (63, 40626), (74, 34587), (81, 31598), (111, 23058), (122, 20979), (126, 20313), (162, 15799), (183, 13986), (189, 13542), (222, 11529), (259, 9882), (333, 7686), (366, 6993), (378, 6771), (427, 5994), (518, 4941), (549, 4662), (567, 4514), (666, 3843), (777, 3294), (854, 2997), (999, 2562), (1098, 2331), (1134, 2257), (1281, 1998), (1554, 1647)]