128882624

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 112

約数和(自身を含む): 300410880

約数和(自身を除く): 171528256

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 64, 76, 104, 124, 152, 208, 247, 248, 263, 304, 403, 416, 494, 496, 526, 589, 608, 806, 832, 988, 992, 1052, 1178, 1216, 1612, 1976, 1984, 2104, 2356, 3224, 3419, 3952, 4208, 4712, 4997, 6448, 6838, 7657, 7904, 8153, 8416, 9424, 9994, 12896, 13676, 15314, 15808, 16306, 16832, 18848, 19988, 25792, 27352, 30628, 32612, 37696, 39976, 54704, 61256, 64961, 65224, 79952, 105989, 109408, 122512, 129922, 130448, 154907, 159904, 211978, 218816, 245024, 259844, 260896, 309814, 319808, 423956, 490048, 519688, 521792, 619628, 847912, 1039376, 1239256, 1695824, 2013791, 2078752, 2478512, 3391648, 4027582, 4157504, 4957024, 6783296, 8055164, 9914048, 16110328, 32220656, 64441312, 128882624]

約数ペア:

[(1, 128882624), (2, 64441312), (4, 32220656), (8, 16110328), (13, 9914048), (16, 8055164), (19, 6783296), (26, 4957024), (31, 4157504), (32, 4027582), (38, 3391648), (52, 2478512), (62, 2078752), (64, 2013791), (76, 1695824), (104, 1239256), (124, 1039376), (152, 847912), (208, 619628), (247, 521792), (248, 519688), (263, 490048), (304, 423956), (403, 319808), (416, 309814), (494, 260896), (496, 259844), (526, 245024), (589, 218816), (608, 211978), (806, 159904), (832, 154907), (988, 130448), (992, 129922), (1052, 122512), (1178, 109408), (1216, 105989), (1612, 79952), (1976, 65224), (1984, 64961), (2104, 61256), (2356, 54704), (3224, 39976), (3419, 37696), (3952, 32612), (4208, 30628), (4712, 27352), (4997, 25792), (6448, 19988), (6838, 18848), (7657, 16832), (7904, 16306), (8153, 15808), (8416, 15314), (9424, 13676), (9994, 12896)]