287388725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:558

約数の個数: 36

約数和(自身を含む): 388850112

約数和(自身を除く): 101461387

約数列:

[1, 5, 13, 25, 65, 169, 251, 271, 325, 845, 1255, 1355, 3263, 3523, 4225, 6275, 6775, 16315, 17615, 42419, 45799, 68021, 81575, 88075, 212095, 228995, 340105, 884273, 1060475, 1144975, 1700525, 4421365, 11495549, 22106825, 57477745, 287388725]

約数ペア:

[(1, 287388725), (5, 57477745), (13, 22106825), (25, 11495549), (65, 4421365), (169, 1700525), (251, 1144975), (271, 1060475), (325, 884273), (845, 340105), (1255, 228995), (1355, 212095), (3263, 88075), (3523, 81575), (4225, 68021), (6275, 45799), (6775, 42419), (16315, 17615)]