1340642004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{21647}}^1$

素因数の和:22064

約数の個数: 48

約数和(自身を含む): 3377434368

約数和(自身を除く): 2036792364

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 397, 794, 1191, 1588, 2382, 4764, 5161, 10322, 15483, 20644, 21647, 30966, 43294, 61932, 64941, 86588, 129882, 259764, 281411, 562822, 844233, 1125644, 1688466, 3376932, 8593859, 17187718, 25781577, 34375436, 51563154, 103126308, 111720167, 223440334, 335160501, 446880668, 670321002, 1340642004]

約数ペア:

[(1, 1340642004), (2, 670321002), (3, 446880668), (4, 335160501), (6, 223440334), (12, 111720167), (13, 103126308), (26, 51563154), (39, 34375436), (52, 25781577), (78, 17187718), (156, 8593859), (397, 3376932), (794, 1688466), (1191, 1125644), (1588, 844233), (2382, 562822), (4764, 281411), (5161, 259764), (10322, 129882), (15483, 86588), (20644, 64941), (21647, 61932), (30966, 43294)]