86987888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 189987840

約数和(自身を除く): 102999952

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 89, 104, 127, 148, 178, 208, 254, 296, 356, 481, 508, 592, 712, 962, 1016, 1157, 1424, 1651, 1924, 2032, 2314, 3293, 3302, 3848, 4628, 4699, 6586, 6604, 7696, 9256, 9398, 11303, 13172, 13208, 18512, 18796, 22606, 26344, 26416, 37592, 42809, 45212, 52688, 61087, 75184, 85618, 90424, 122174, 146939, 171236, 180848, 244348, 293878, 342472, 418211, 488696, 587756, 684944, 836422, 977392, 1175512, 1672844, 2351024, 3345688, 5436743, 6691376, 10873486, 21746972, 43493944, 86987888]

約数ペア:

[(1, 86987888), (2, 43493944), (4, 21746972), (8, 10873486), (13, 6691376), (16, 5436743), (26, 3345688), (37, 2351024), (52, 1672844), (74, 1175512), (89, 977392), (104, 836422), (127, 684944), (148, 587756), (178, 488696), (208, 418211), (254, 342472), (296, 293878), (356, 244348), (481, 180848), (508, 171236), (592, 146939), (712, 122174), (962, 90424), (1016, 85618), (1157, 75184), (1424, 61087), (1651, 52688), (1924, 45212), (2032, 42809), (2314, 37592), (3293, 26416), (3302, 26344), (3848, 22606), (4628, 18796), (4699, 18512), (6586, 13208), (6604, 13172), (7696, 11303), (9256, 9398)]