201609475

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:388

約数の個数: 36

約数和(自身を含む): 267873480

約数和(自身を除く): 66264005

約数列:

[1, 5, 19, 25, 89, 95, 251, 361, 445, 475, 1255, 1691, 1805, 2225, 4769, 6275, 8455, 9025, 22339, 23845, 32129, 42275, 90611, 111695, 119225, 160645, 424441, 453055, 558475, 803225, 2122205, 2265275, 8064379, 10611025, 40321895, 201609475]

約数ペア:

[(1, 201609475), (5, 40321895), (19, 10611025), (25, 8064379), (89, 2265275), (95, 2122205), (251, 803225), (361, 558475), (445, 453055), (475, 424441), (1255, 160645), (1691, 119225), (1805, 111695), (2225, 90611), (4769, 42275), (6275, 32129), (8455, 23845), (9025, 22339)]