86980784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^2$

素因数の和:131

約数の個数: 90

約数和(自身を含む): 199416924

約数和(自身を除く): 112436140

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 37, 38, 44, 74, 76, 88, 148, 152, 176, 209, 296, 304, 361, 407, 418, 592, 703, 722, 814, 836, 1369, 1406, 1444, 1628, 1672, 2738, 2812, 2888, 3256, 3344, 3971, 5476, 5624, 5776, 6512, 7733, 7942, 10952, 11248, 13357, 15059, 15466, 15884, 21904, 26011, 26714, 30118, 30932, 31768, 52022, 53428, 60236, 61864, 63536, 104044, 106856, 120472, 123728, 146927, 208088, 213712, 240944, 286121, 293854, 416176, 494209, 572242, 587708, 988418, 1144484, 1175416, 1976836, 2288968, 2350832, 3953672, 4577936, 5436299, 7907344, 10872598, 21745196, 43490392, 86980784]

約数ペア:

[(1, 86980784), (2, 43490392), (4, 21745196), (8, 10872598), (11, 7907344), (16, 5436299), (19, 4577936), (22, 3953672), (37, 2350832), (38, 2288968), (44, 1976836), (74, 1175416), (76, 1144484), (88, 988418), (148, 587708), (152, 572242), (176, 494209), (209, 416176), (296, 293854), (304, 286121), (361, 240944), (407, 213712), (418, 208088), (592, 146927), (703, 123728), (722, 120472), (814, 106856), (836, 104044), (1369, 63536), (1406, 61864), (1444, 60236), (1628, 53428), (1672, 52022), (2738, 31768), (2812, 30932), (2888, 30118), (3256, 26714), (3344, 26011), (3971, 21904), (5476, 15884), (5624, 15466), (5776, 15059), (6512, 13357), (7733, 11248), (7942, 10952)]