81688828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{929}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 164052000

約数和(自身を除く): 82363172

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 89, 178, 247, 356, 494, 929, 988, 1157, 1691, 1858, 2314, 3382, 3716, 4628, 6764, 12077, 17651, 21983, 24154, 35302, 43966, 48308, 70604, 82681, 87932, 165362, 229463, 330724, 458926, 917852, 1074853, 1570939, 2149706, 3141878, 4299412, 6283756, 20422207, 40844414, 81688828]

約数ペア:

[(1, 81688828), (2, 40844414), (4, 20422207), (13, 6283756), (19, 4299412), (26, 3141878), (38, 2149706), (52, 1570939), (76, 1074853), (89, 917852), (178, 458926), (247, 330724), (356, 229463), (494, 165362), (929, 87932), (988, 82681), (1157, 70604), (1691, 48308), (1858, 43966), (2314, 35302), (3382, 24154), (3716, 21983), (4628, 17651), (6764, 12077)]