1861621248

素因数分解:

$2^9\times 3^1\times {\mathrm{991}}^1\times {\mathrm{1223}}^1$

素因数の和:2235

約数の個数: 80

約数和(自身を含む): 4968539136

約数和(自身を除く): 3106917888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 991, 1223, 1536, 1982, 2446, 2973, 3669, 3964, 4892, 5946, 7338, 7928, 9784, 11892, 14676, 15856, 19568, 23784, 29352, 31712, 39136, 47568, 58704, 63424, 78272, 95136, 117408, 126848, 156544, 190272, 234816, 253696, 313088, 380544, 469632, 507392, 626176, 761088, 939264, 1211993, 1522176, 1878528, 2423986, 3635979, 4847972, 7271958, 9695944, 14543916, 19391888, 29087832, 38783776, 58175664, 77567552, 116351328, 155135104, 232702656, 310270208, 465405312, 620540416, 930810624, 1861621248]

約数ペア:

[(1, 1861621248), (2, 930810624), (3, 620540416), (4, 465405312), (6, 310270208), (8, 232702656), (12, 155135104), (16, 116351328), (24, 77567552), (32, 58175664), (48, 38783776), (64, 29087832), (96, 19391888), (128, 14543916), (192, 9695944), (256, 7271958), (384, 4847972), (512, 3635979), (768, 2423986), (991, 1878528), (1223, 1522176), (1536, 1211993), (1982, 939264), (2446, 761088), (2973, 626176), (3669, 507392), (3964, 469632), (4892, 380544), (5946, 313088), (7338, 253696), (7928, 234816), (9784, 190272), (11892, 156544), (14676, 126848), (15856, 117408), (19568, 95136), (23784, 78272), (29352, 63424), (31712, 58704), (39136, 47568)]