1864223855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{1499}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 2592324000

約数和(自身を除く): 728100145

約数列:

[1, 5, 13, 19, 53, 65, 95, 247, 265, 361, 689, 1007, 1235, 1499, 1805, 3445, 4693, 5035, 7495, 13091, 19133, 19487, 23465, 28481, 65455, 79447, 95665, 97435, 142405, 248729, 370253, 397235, 541139, 1032811, 1243645, 1509493, 1851265, 2705695, 5164055, 7034807, 7547465, 19623409, 28680367, 35174035, 98117045, 143401835, 372844771, 1864223855]

約数ペア:

[(1, 1864223855), (5, 372844771), (13, 143401835), (19, 98117045), (53, 35174035), (65, 28680367), (95, 19623409), (247, 7547465), (265, 7034807), (361, 5164055), (689, 2705695), (1007, 1851265), (1235, 1509493), (1499, 1243645), (1805, 1032811), (3445, 541139), (4693, 397235), (5035, 370253), (7495, 248729), (13091, 142405), (19133, 97435), (19487, 95665), (23465, 79447), (28481, 65455)]