25638652

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 54232416

約数和(自身を除く): 28593764

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 97, 169, 194, 221, 299, 338, 388, 391, 442, 598, 676, 782, 884, 1196, 1261, 1564, 1649, 2231, 2522, 2873, 3298, 3887, 4462, 5044, 5083, 5746, 6596, 7774, 8924, 10166, 11492, 15548, 16393, 20332, 21437, 29003, 32786, 37927, 42874, 58006, 65572, 66079, 75854, 85748, 116012, 132158, 151708, 264316, 278681, 377039, 493051, 557362, 754078, 986102, 1114724, 1508156, 1972204, 6409663, 12819326, 25638652]

約数ペア:

[(1, 25638652), (2, 12819326), (4, 6409663), (13, 1972204), (17, 1508156), (23, 1114724), (26, 986102), (34, 754078), (46, 557362), (52, 493051), (68, 377039), (92, 278681), (97, 264316), (169, 151708), (194, 132158), (221, 116012), (299, 85748), (338, 75854), (388, 66079), (391, 65572), (442, 58006), (598, 42874), (676, 37927), (782, 32786), (884, 29003), (1196, 21437), (1261, 20332), (1564, 16393), (1649, 15548), (2231, 11492), (2522, 10166), (2873, 8924), (3298, 7774), (3887, 6596), (4462, 5746), (5044, 5083)]