28889328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 81689216

約数和(自身を除く): 52799888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 67, 78, 104, 134, 156, 201, 208, 268, 312, 402, 536, 624, 691, 804, 871, 1072, 1382, 1608, 1742, 2073, 2613, 2764, 3216, 3484, 4146, 5226, 5528, 6968, 8292, 8983, 10452, 11056, 13936, 16584, 17966, 20904, 26949, 33168, 35932, 41808, 46297, 53898, 71864, 92594, 107796, 138891, 143728, 185188, 215592, 277782, 370376, 431184, 555564, 601861, 740752, 1111128, 1203722, 1805583, 2222256, 2407444, 3611166, 4814888, 7222332, 9629776, 14444664, 28889328]

約数ペア:

[(1, 28889328), (2, 14444664), (3, 9629776), (4, 7222332), (6, 4814888), (8, 3611166), (12, 2407444), (13, 2222256), (16, 1805583), (24, 1203722), (26, 1111128), (39, 740752), (48, 601861), (52, 555564), (67, 431184), (78, 370376), (104, 277782), (134, 215592), (156, 185188), (201, 143728), (208, 138891), (268, 107796), (312, 92594), (402, 71864), (536, 53898), (624, 46297), (691, 41808), (804, 35932), (871, 33168), (1072, 26949), (1382, 20904), (1608, 17966), (1742, 16584), (2073, 13936), (2613, 11056), (2764, 10452), (3216, 8983), (3484, 8292), (4146, 6968), (5226, 5528)]