28423252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 35927468

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 37, 44, 52, 68, 74, 79, 143, 148, 158, 187, 221, 286, 316, 374, 407, 442, 481, 572, 629, 748, 814, 869, 884, 962, 1027, 1258, 1343, 1628, 1738, 1924, 2054, 2431, 2516, 2686, 2923, 3476, 4108, 4862, 5291, 5372, 5846, 6919, 8177, 9724, 10582, 11297, 11692, 13838, 14773, 16354, 17459, 21164, 22594, 27676, 29546, 32153, 32708, 34918, 37999, 45188, 49691, 59092, 64306, 69836, 75998, 89947, 99382, 128612, 151996, 179894, 192049, 198764, 359788, 384098, 417989, 546601, 645983, 768196, 835978, 1093202, 1291966, 1671956, 2186404, 2583932, 7105813, 14211626, 28423252]

約数ペア:

[(1, 28423252), (2, 14211626), (4, 7105813), (11, 2583932), (13, 2186404), (17, 1671956), (22, 1291966), (26, 1093202), (34, 835978), (37, 768196), (44, 645983), (52, 546601), (68, 417989), (74, 384098), (79, 359788), (143, 198764), (148, 192049), (158, 179894), (187, 151996), (221, 128612), (286, 99382), (316, 89947), (374, 75998), (407, 69836), (442, 64306), (481, 59092), (572, 49691), (629, 45188), (748, 37999), (814, 34918), (869, 32708), (884, 32153), (962, 29546), (1027, 27676), (1258, 22594), (1343, 21164), (1628, 17459), (1738, 16354), (1924, 14773), (2054, 13838), (2431, 11692), (2516, 11297), (2686, 10582), (2923, 9724), (3476, 8177), (4108, 6919), (4862, 5846), (5291, 5372)]