81654972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138869}}^1$

素因数の和:138890

約数の個数: 36

約数和(自身を含む): 221636520

約数和(自身を除く): 139981548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138869, 277738, 416607, 555476, 833214, 972083, 1666428, 1944166, 2916249, 3888332, 5832498, 6804581, 11664996, 13609162, 20413743, 27218324, 40827486, 81654972]

約数ペア:

[(1, 81654972), (2, 40827486), (3, 27218324), (4, 20413743), (6, 13609162), (7, 11664996), (12, 6804581), (14, 5832498), (21, 3888332), (28, 2916249), (42, 1944166), (49, 1666428), (84, 972083), (98, 833214), (147, 555476), (196, 416607), (294, 277738), (588, 138869)]