28004184

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{9973}}^1$

素因数の和:10001

約数の個数: 64

約数和(自身を含む): 83781600

約数和(自身を除く): 55777416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 9973, 19946, 29919, 39892, 59838, 79784, 89757, 119676, 129649, 179514, 239352, 259298, 269271, 359028, 388947, 518596, 538542, 718056, 777894, 1037192, 1077084, 1166841, 1555788, 2154168, 2333682, 3111576, 3500523, 4667364, 7001046, 9334728, 14002092, 28004184]

約数ペア:

[(1, 28004184), (2, 14002092), (3, 9334728), (4, 7001046), (6, 4667364), (8, 3500523), (9, 3111576), (12, 2333682), (13, 2154168), (18, 1555788), (24, 1166841), (26, 1077084), (27, 1037192), (36, 777894), (39, 718056), (52, 538542), (54, 518596), (72, 388947), (78, 359028), (104, 269271), (108, 259298), (117, 239352), (156, 179514), (216, 129649), (234, 119676), (312, 89757), (351, 79784), (468, 59838), (702, 39892), (936, 29919), (1404, 19946), (2808, 9973)]