201981390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{517901}}^1$

素因数の和:517924

約数の個数: 32

約数和(自身を含む): 522045216

約数和(自身を除く): 320063826

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 517901, 1035802, 1553703, 2589505, 3107406, 5179010, 6732713, 7768515, 13465426, 15537030, 20198139, 33663565, 40396278, 67327130, 100990695, 201981390]

約数ペア:

[(1, 201981390), (2, 100990695), (3, 67327130), (5, 40396278), (6, 33663565), (10, 20198139), (13, 15537030), (15, 13465426), (26, 7768515), (30, 6732713), (39, 5179010), (65, 3107406), (78, 2589505), (130, 1553703), (195, 1035802), (390, 517901)]