139212997

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{78607}}^1$

素因数の和:78648

約数の個数: 16

約数和(自身を含む): 181112832

約数和(自身を除く): 41899835

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 78607, 550249, 864677, 1807961, 6052739, 12655727, 19887571, 139212997]

約数ペア:

[(1, 139212997), (7, 19887571), (11, 12655727), (23, 6052739), (77, 1807961), (161, 864677), (253, 550249), (1771, 78607)]