201993090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{517931}}^1$

素因数の和:517954

約数の個数: 32

約数和(自身を含む): 522075456

約数和(自身を除く): 320082366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 517931, 1035862, 1553793, 2589655, 3107586, 5179310, 6733103, 7768965, 13466206, 15537930, 20199309, 33665515, 40398618, 67331030, 100996545, 201993090]

約数ペア:

[(1, 201993090), (2, 100996545), (3, 67331030), (5, 40398618), (6, 33665515), (10, 20199309), (13, 15537930), (15, 13466206), (26, 7768965), (30, 6733103), (39, 5179310), (65, 3107586), (78, 2589655), (130, 1553793), (195, 1035862), (390, 517931)]