81856264

素因数分解:

$2^3\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1347

約数の個数: 64

約数和(自身を含む): 186912000

約数和(自身を除く): 105055736

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 343, 392, 644, 686, 1127, 1288, 1297, 1372, 2254, 2594, 2744, 4508, 5188, 7889, 9016, 9079, 10376, 15778, 18158, 29831, 31556, 36316, 59662, 63112, 63553, 72632, 119324, 127106, 208817, 238648, 254212, 417634, 444871, 508424, 835268, 889742, 1461719, 1670536, 1779484, 2923438, 3558968, 5846876, 10232033, 11693752, 20464066, 40928132, 81856264]

約数ペア:

[(1, 81856264), (2, 40928132), (4, 20464066), (7, 11693752), (8, 10232033), (14, 5846876), (23, 3558968), (28, 2923438), (46, 1779484), (49, 1670536), (56, 1461719), (92, 889742), (98, 835268), (161, 508424), (184, 444871), (196, 417634), (322, 254212), (343, 238648), (392, 208817), (644, 127106), (686, 119324), (1127, 72632), (1288, 63553), (1297, 63112), (1372, 59662), (2254, 36316), (2594, 31556), (2744, 29831), (4508, 18158), (5188, 15778), (7889, 10376), (9016, 9079)]