249948

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 648648

約数和(自身を除く): 398700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 131, 159, 212, 262, 318, 393, 477, 524, 636, 786, 954, 1179, 1572, 1908, 2358, 4716, 6943, 13886, 20829, 27772, 41658, 62487, 83316, 124974, 249948]

約数ペア:

[(1, 249948), (2, 124974), (3, 83316), (4, 62487), (6, 41658), (9, 27772), (12, 20829), (18, 13886), (36, 6943), (53, 4716), (106, 2358), (131, 1908), (159, 1572), (212, 1179), (262, 954), (318, 786), (393, 636), (477, 524)]