201219709

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3361}}^1$

素因数の和:3540

約数の個数: 16

約数和(自身を含む): 222698880

約数和(自身を除く): 21479171

約数列:

[1, 19, 23, 137, 437, 2603, 3151, 3361, 59869, 63859, 77303, 460457, 1468757, 8748683, 10590511, 201219709]

約数ペア:

[(1, 201219709), (19, 10590511), (23, 8748683), (137, 1468757), (437, 460457), (2603, 77303), (3151, 63859), (3361, 59869)]