221990352

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1669}}^1$

素因数の和:1860

約数の個数: 80

約数和(自身を含む): 611300160

約数和(自身を除く): 389309808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 163, 204, 272, 326, 408, 489, 652, 816, 978, 1304, 1669, 1956, 2608, 2771, 3338, 3912, 5007, 5542, 6676, 7824, 8313, 10014, 11084, 13352, 16626, 20028, 22168, 26704, 28373, 33252, 40056, 44336, 56746, 66504, 80112, 85119, 113492, 133008, 170238, 226984, 272047, 340476, 453968, 544094, 680952, 816141, 1088188, 1361904, 1632282, 2176376, 3264564, 4352752, 4624799, 6529128, 9249598, 13058256, 13874397, 18499196, 27748794, 36998392, 55497588, 73996784, 110995176, 221990352]

約数ペア:

[(1, 221990352), (2, 110995176), (3, 73996784), (4, 55497588), (6, 36998392), (8, 27748794), (12, 18499196), (16, 13874397), (17, 13058256), (24, 9249598), (34, 6529128), (48, 4624799), (51, 4352752), (68, 3264564), (102, 2176376), (136, 1632282), (163, 1361904), (204, 1088188), (272, 816141), (326, 680952), (408, 544094), (489, 453968), (652, 340476), (816, 272047), (978, 226984), (1304, 170238), (1669, 133008), (1956, 113492), (2608, 85119), (2771, 80112), (3338, 66504), (3912, 56746), (5007, 44336), (5542, 40056), (6676, 33252), (7824, 28373), (8313, 26704), (10014, 22168), (11084, 20028), (13352, 16626)]