81634412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{4457}}^1$

素因数の和:4721

約数の個数: 24

約数和(自身を含む): 151037040

約数和(自身を除く): 69402628

約数列:

[1, 2, 4, 19, 38, 76, 241, 482, 964, 4457, 4579, 8914, 9158, 17828, 18316, 84683, 169366, 338732, 1074137, 2148274, 4296548, 20408603, 40817206, 81634412]

約数ペア:

[(1, 81634412), (2, 40817206), (4, 20408603), (19, 4296548), (38, 2148274), (76, 1074137), (241, 338732), (482, 169366), (964, 84683), (4457, 18316), (4579, 17828), (8914, 9158)]