81287584

素因数分解:

$2^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 192036096

約数和(自身を除く): 110748512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 53, 56, 82, 106, 112, 164, 167, 212, 224, 287, 328, 334, 371, 424, 574, 656, 668, 742, 848, 1148, 1169, 1312, 1336, 1484, 1696, 2173, 2296, 2338, 2672, 2968, 4346, 4592, 4676, 5344, 5936, 6847, 8692, 8851, 9184, 9352, 11872, 13694, 15211, 17384, 17702, 18704, 27388, 30422, 34768, 35404, 37408, 47929, 54776, 60844, 61957, 69536, 70808, 95858, 109552, 121688, 123914, 141616, 191716, 219104, 243376, 247828, 283232, 362891, 383432, 486752, 495656, 725782, 766864, 991312, 1451564, 1533728, 1982624, 2540237, 2903128, 5080474, 5806256, 10160948, 11612512, 20321896, 40643792, 81287584]

約数ペア:

[(1, 81287584), (2, 40643792), (4, 20321896), (7, 11612512), (8, 10160948), (14, 5806256), (16, 5080474), (28, 2903128), (32, 2540237), (41, 1982624), (53, 1533728), (56, 1451564), (82, 991312), (106, 766864), (112, 725782), (164, 495656), (167, 486752), (212, 383432), (224, 362891), (287, 283232), (328, 247828), (334, 243376), (371, 219104), (424, 191716), (574, 141616), (656, 123914), (668, 121688), (742, 109552), (848, 95858), (1148, 70808), (1169, 69536), (1312, 61957), (1336, 60844), (1484, 54776), (1696, 47929), (2173, 37408), (2296, 35404), (2338, 34768), (2672, 30422), (2968, 27388), (4346, 18704), (4592, 17702), (4676, 17384), (5344, 15211), (5936, 13694), (6847, 11872), (8692, 9352), (8851, 9184)]