25204088

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 33763912

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 89, 91, 104, 178, 182, 356, 364, 389, 623, 712, 728, 778, 1157, 1246, 1556, 2314, 2492, 2723, 3112, 4628, 4984, 5057, 5446, 8099, 9256, 10114, 10892, 16198, 20228, 21784, 32396, 34621, 35399, 40456, 64792, 69242, 70798, 138484, 141596, 242347, 276968, 283192, 450073, 484694, 900146, 969388, 1800292, 1938776, 3150511, 3600584, 6301022, 12602044, 25204088]

約数ペア:

[(1, 25204088), (2, 12602044), (4, 6301022), (7, 3600584), (8, 3150511), (13, 1938776), (14, 1800292), (26, 969388), (28, 900146), (52, 484694), (56, 450073), (89, 283192), (91, 276968), (104, 242347), (178, 141596), (182, 138484), (356, 70798), (364, 69242), (389, 64792), (623, 40456), (712, 35399), (728, 34621), (778, 32396), (1157, 21784), (1246, 20228), (1556, 16198), (2314, 10892), (2492, 10114), (2723, 9256), (3112, 8099), (4628, 5446), (4984, 5057)]