28008344

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 65587200

約数和(自身を除く): 37578856

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 79, 91, 104, 158, 182, 316, 364, 487, 553, 632, 728, 974, 1027, 1106, 1948, 2054, 2212, 3409, 3896, 4108, 4424, 6331, 6818, 7189, 8216, 12662, 13636, 14378, 25324, 27272, 28756, 38473, 44317, 50648, 57512, 76946, 88634, 153892, 177268, 269311, 307784, 354536, 500149, 538622, 1000298, 1077244, 2000596, 2154488, 3501043, 4001192, 7002086, 14004172, 28008344]

約数ペア:

[(1, 28008344), (2, 14004172), (4, 7002086), (7, 4001192), (8, 3501043), (13, 2154488), (14, 2000596), (26, 1077244), (28, 1000298), (52, 538622), (56, 500149), (79, 354536), (91, 307784), (104, 269311), (158, 177268), (182, 153892), (316, 88634), (364, 76946), (487, 57512), (553, 50648), (632, 44317), (728, 38473), (974, 28756), (1027, 27272), (1106, 25324), (1948, 14378), (2054, 13636), (2212, 12662), (3409, 8216), (3896, 7189), (4108, 6818), (4424, 6331)]