131113072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1303}}^1$

素因数の和:1661

約数の個数: 40

約数和(自身を含む): 268415360

約数和(自身を除く): 137302288

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 331, 662, 1303, 1324, 2606, 2648, 5212, 5296, 6289, 10424, 12578, 20848, 24757, 25156, 49514, 50312, 99028, 100624, 198056, 396112, 431293, 862586, 1725172, 3450344, 6900688, 8194567, 16389134, 32778268, 65556536, 131113072]

約数ペア:

[(1, 131113072), (2, 65556536), (4, 32778268), (8, 16389134), (16, 8194567), (19, 6900688), (38, 3450344), (76, 1725172), (152, 862586), (304, 431293), (331, 396112), (662, 198056), (1303, 100624), (1324, 99028), (2606, 50312), (2648, 49514), (5212, 25156), (5296, 24757), (6289, 20848), (10424, 12578)]