25242178

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 45536256

約数和(自身を除く): 20294078

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 169, 191, 221, 299, 338, 382, 391, 442, 598, 782, 2483, 2873, 3247, 3887, 4393, 4966, 5083, 5746, 6494, 7774, 8786, 10166, 32279, 42211, 57109, 64558, 66079, 74681, 84422, 114218, 132158, 149362, 548743, 742417, 970853, 1097486, 1484834, 1941706, 12621089, 25242178]

約数ペア:

[(1, 25242178), (2, 12621089), (13, 1941706), (17, 1484834), (23, 1097486), (26, 970853), (34, 742417), (46, 548743), (169, 149362), (191, 132158), (221, 114218), (299, 84422), (338, 74681), (382, 66079), (391, 64558), (442, 57109), (598, 42211), (782, 32279), (2483, 10166), (2873, 8786), (3247, 7774), (3887, 6494), (4393, 5746), (4966, 5083)]