221188656

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{354469}}^1$

素因数の和:354493

約数の個数: 40

約数和(自身を含む): 615359920

約数和(自身を除く): 394171264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 354469, 708938, 1063407, 1417876, 2126814, 2835752, 4253628, 4608097, 5671504, 8507256, 9216194, 13824291, 17014512, 18432388, 27648582, 36864776, 55297164, 73729552, 110594328, 221188656]

約数ペア:

[(1, 221188656), (2, 110594328), (3, 73729552), (4, 55297164), (6, 36864776), (8, 27648582), (12, 18432388), (13, 17014512), (16, 13824291), (24, 9216194), (26, 8507256), (39, 5671504), (48, 4608097), (52, 4253628), (78, 2835752), (104, 2126814), (156, 1417876), (208, 1063407), (312, 708938), (624, 354469)]