16978896

素因数分解:

$2^4\times 3^5\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:431

約数の個数: 120

約数和(自身を含む): 53892384

約数和(自身を除く): 36913488

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 243, 264, 297, 324, 396, 397, 432, 486, 528, 594, 648, 792, 794, 891, 972, 1188, 1191, 1296, 1584, 1588, 1782, 1944, 2376, 2382, 2673, 3176, 3564, 3573, 3888, 4367, 4752, 4764, 5346, 6352, 7128, 7146, 8734, 9528, 10692, 10719, 13101, 14256, 14292, 17468, 19056, 21384, 21438, 26202, 28584, 32157, 34936, 39303, 42768, 42876, 52404, 57168, 64314, 69872, 78606, 85752, 96471, 104808, 117909, 128628, 157212, 171504, 192942, 209616, 235818, 257256, 314424, 353727, 385884, 471636, 514512, 628848, 707454, 771768, 943272, 1061181, 1414908, 1543536, 1886544, 2122362, 2829816, 4244724, 5659632, 8489448, 16978896]

約数ペア:

[(1, 16978896), (2, 8489448), (3, 5659632), (4, 4244724), (6, 2829816), (8, 2122362), (9, 1886544), (11, 1543536), (12, 1414908), (16, 1061181), (18, 943272), (22, 771768), (24, 707454), (27, 628848), (33, 514512), (36, 471636), (44, 385884), (48, 353727), (54, 314424), (66, 257256), (72, 235818), (81, 209616), (88, 192942), (99, 171504), (108, 157212), (132, 128628), (144, 117909), (162, 104808), (176, 96471), (198, 85752), (216, 78606), (243, 69872), (264, 64314), (297, 57168), (324, 52404), (396, 42876), (397, 42768), (432, 39303), (486, 34936), (528, 32157), (594, 28584), (648, 26202), (792, 21438), (794, 21384), (891, 19056), (972, 17468), (1188, 14292), (1191, 14256), (1296, 13101), (1584, 10719), (1588, 10692), (1782, 9528), (1944, 8734), (2376, 7146), (2382, 7128), (2673, 6352), (3176, 5346), (3564, 4764), (3573, 4752), (3888, 4367)]