28000752

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1951}}^1$

素因数の和:1998

約数の個数: 80

約数和(自身を含む): 81328128

約数和(自身を除く): 53327376

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1794, 1951, 2392, 3588, 3902, 4784, 5853, 7176, 7804, 11706, 14352, 15608, 23412, 25363, 31216, 44873, 46824, 50726, 76089, 89746, 93648, 101452, 134619, 152178, 179492, 202904, 269238, 304356, 358984, 405808, 538476, 583349, 608712, 717968, 1076952, 1166698, 1217424, 1750047, 2153904, 2333396, 3500094, 4666792, 7000188, 9333584, 14000376, 28000752]

約数ペア:

[(1, 28000752), (2, 14000376), (3, 9333584), (4, 7000188), (6, 4666792), (8, 3500094), (12, 2333396), (13, 2153904), (16, 1750047), (23, 1217424), (24, 1166698), (26, 1076952), (39, 717968), (46, 608712), (48, 583349), (52, 538476), (69, 405808), (78, 358984), (92, 304356), (104, 269238), (138, 202904), (156, 179492), (184, 152178), (208, 134619), (276, 101452), (299, 93648), (312, 89746), (368, 76089), (552, 50726), (598, 46824), (624, 44873), (897, 31216), (1104, 25363), (1196, 23412), (1794, 15608), (1951, 14352), (2392, 11706), (3588, 7804), (3902, 7176), (4784, 5853)]