25938783

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 16518177

約数列:

[1, 3, 9, 13, 39, 47, 53, 89, 117, 141, 159, 267, 423, 477, 611, 689, 801, 1157, 1833, 2067, 2491, 3471, 4183, 4717, 5499, 6201, 7473, 10413, 12549, 14151, 22419, 32383, 37647, 42453, 54379, 61321, 97149, 163137, 183963, 221699, 291447, 489411, 551889, 665097, 1995291, 2882087, 8646261, 25938783]

約数ペア:

[(1, 25938783), (3, 8646261), (9, 2882087), (13, 1995291), (39, 665097), (47, 551889), (53, 489411), (89, 291447), (117, 221699), (141, 183963), (159, 163137), (267, 97149), (423, 61321), (477, 54379), (611, 42453), (689, 37647), (801, 32383), (1157, 22419), (1833, 14151), (2067, 12549), (2491, 10413), (3471, 7473), (4183, 6201), (4717, 5499)]