28443376

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 60

約数和(自身を含む): 60950712

約数和(自身を除く): 32507336

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 157, 169, 208, 268, 314, 338, 536, 628, 676, 871, 1072, 1256, 1352, 1742, 2041, 2512, 2704, 3484, 4082, 6968, 8164, 10519, 11323, 13936, 16328, 21038, 22646, 26533, 32656, 42076, 45292, 53066, 84152, 90584, 106132, 136747, 168304, 181168, 212264, 273494, 424528, 546988, 1093976, 1777711, 2187952, 3555422, 7110844, 14221688, 28443376]

約数ペア:

[(1, 28443376), (2, 14221688), (4, 7110844), (8, 3555422), (13, 2187952), (16, 1777711), (26, 1093976), (52, 546988), (67, 424528), (104, 273494), (134, 212264), (157, 181168), (169, 168304), (208, 136747), (268, 106132), (314, 90584), (338, 84152), (536, 53066), (628, 45292), (676, 42076), (871, 32656), (1072, 26533), (1256, 22646), (1352, 21038), (1742, 16328), (2041, 13936), (2512, 11323), (2704, 10519), (3484, 8164), (4082, 6968)]