221567165648

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{9103}}^1\times {\mathrm{15683}}^1$

素因数の和:24891

約数の個数: 40

約数和(自身を含む): 433787319168

約数和(自身を除く): 212220153520

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 9103, 15683, 18206, 31366, 36412, 62732, 72824, 125464, 145648, 250928, 882991, 1521251, 1765982, 3042502, 3531964, 6085004, 7063928, 12170008, 14127856, 24340016, 142762349, 285524698, 571049396, 1142098792, 2284197584, 13847947853, 27695895706, 55391791412, 110783582824, 221567165648]

約数ペア:

[(1, 221567165648), (2, 110783582824), (4, 55391791412), (8, 27695895706), (16, 13847947853), (97, 2284197584), (194, 1142098792), (388, 571049396), (776, 285524698), (1552, 142762349), (9103, 24340016), (15683, 14127856), (18206, 12170008), (31366, 7063928), (36412, 6085004), (62732, 3531964), (72824, 3042502), (125464, 1765982), (145648, 1521251), (250928, 882991)]