81992638

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 161441280

約数和(自身を除く): 79448642

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 131, 133, 181, 182, 247, 262, 266, 362, 494, 917, 1267, 1703, 1729, 1834, 2353, 2489, 2534, 3406, 3439, 3458, 4706, 4978, 6878, 11921, 16471, 17423, 23711, 23842, 24073, 32357, 32942, 34846, 44707, 47422, 48146, 64714, 89414, 165977, 226499, 308243, 312949, 331954, 450509, 452998, 616486, 625898, 901018, 2157701, 3153563, 4315402, 5856617, 6307126, 11713234, 40996319, 81992638]

約数ペア:

[(1, 81992638), (2, 40996319), (7, 11713234), (13, 6307126), (14, 5856617), (19, 4315402), (26, 3153563), (38, 2157701), (91, 901018), (131, 625898), (133, 616486), (181, 452998), (182, 450509), (247, 331954), (262, 312949), (266, 308243), (362, 226499), (494, 165977), (917, 89414), (1267, 64714), (1703, 48146), (1729, 47422), (1834, 44707), (2353, 34846), (2489, 32942), (2534, 32357), (3406, 24073), (3439, 23842), (3458, 23711), (4706, 17423), (4978, 16471), (6878, 11921)]