28771792

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 67174272

約数和(自身を除く): 38402480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 53, 56, 74, 106, 112, 131, 148, 212, 259, 262, 296, 371, 424, 518, 524, 592, 742, 848, 917, 1036, 1048, 1484, 1834, 1961, 2072, 2096, 2968, 3668, 3922, 4144, 4847, 5936, 6943, 7336, 7844, 9694, 13727, 13886, 14672, 15688, 19388, 27454, 27772, 31376, 33929, 38776, 48601, 54908, 55544, 67858, 77552, 97202, 109816, 111088, 135716, 194404, 219632, 256891, 271432, 388808, 513782, 542864, 777616, 1027564, 1798237, 2055128, 3596474, 4110256, 7192948, 14385896, 28771792]

約数ペア:

[(1, 28771792), (2, 14385896), (4, 7192948), (7, 4110256), (8, 3596474), (14, 2055128), (16, 1798237), (28, 1027564), (37, 777616), (53, 542864), (56, 513782), (74, 388808), (106, 271432), (112, 256891), (131, 219632), (148, 194404), (212, 135716), (259, 111088), (262, 109816), (296, 97202), (371, 77552), (424, 67858), (518, 55544), (524, 54908), (592, 48601), (742, 38776), (848, 33929), (917, 31376), (1036, 27772), (1048, 27454), (1484, 19388), (1834, 15688), (1961, 14672), (2072, 13886), (2096, 13727), (2968, 9694), (3668, 7844), (3922, 7336), (4144, 6943), (4847, 5936)]