68991416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1439}}^1$

素因数の和:1919

約数の個数: 32

約数和(自身を含む): 139708800

約数和(自身を除く): 70717384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 461, 922, 1439, 1844, 2878, 3688, 5756, 5993, 11512, 11986, 18707, 23972, 37414, 47944, 74828, 149656, 663379, 1326758, 2653516, 5307032, 8623927, 17247854, 34495708, 68991416]

約数ペア:

[(1, 68991416), (2, 34495708), (4, 17247854), (8, 8623927), (13, 5307032), (26, 2653516), (52, 1326758), (104, 663379), (461, 149656), (922, 74828), (1439, 47944), (1844, 37414), (2878, 23972), (3688, 18707), (5756, 11986), (5993, 11512)]