81531744

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{121327}}^1$

素因数の和:121347

約数の個数: 48

約数和(自身を含む): 244597248

約数和(自身を除く): 163065504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 121327, 242654, 363981, 485308, 727962, 849289, 970616, 1455924, 1698578, 1941232, 2547867, 2911848, 3397156, 3882464, 5095734, 5823696, 6794312, 10191468, 11647392, 13588624, 20382936, 27177248, 40765872, 81531744]

約数ペア:

[(1, 81531744), (2, 40765872), (3, 27177248), (4, 20382936), (6, 13588624), (7, 11647392), (8, 10191468), (12, 6794312), (14, 5823696), (16, 5095734), (21, 3882464), (24, 3397156), (28, 2911848), (32, 2547867), (42, 1941232), (48, 1698578), (56, 1455924), (84, 970616), (96, 849289), (112, 727962), (168, 485308), (224, 363981), (336, 242654), (672, 121327)]