25537304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 53833920

約数和(自身を除く): 28296616

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 89, 104, 124, 178, 248, 356, 403, 712, 806, 1157, 1612, 2314, 2759, 3224, 4628, 5518, 7921, 9256, 11036, 15842, 22072, 31684, 35867, 63368, 71734, 102973, 143468, 205946, 245551, 286936, 411892, 491102, 823784, 982204, 1964408, 3192163, 6384326, 12768652, 25537304]

約数ペア:

[(1, 25537304), (2, 12768652), (4, 6384326), (8, 3192163), (13, 1964408), (26, 982204), (31, 823784), (52, 491102), (62, 411892), (89, 286936), (104, 245551), (124, 205946), (178, 143468), (248, 102973), (356, 71734), (403, 63368), (712, 35867), (806, 31684), (1157, 22072), (1612, 15842), (2314, 11036), (2759, 9256), (3224, 7921), (4628, 5518)]