201921330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{517747}}^1$

素因数の和:517770

約数の個数: 32

約数和(自身を含む): 521889984

約数和(自身を除く): 319968654

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 517747, 1035494, 1553241, 2588735, 3106482, 5177470, 6730711, 7766205, 13461422, 15532410, 20192133, 33653555, 40384266, 67307110, 100960665, 201921330]

約数ペア:

[(1, 201921330), (2, 100960665), (3, 67307110), (5, 40384266), (6, 33653555), (10, 20192133), (13, 15532410), (15, 13461422), (26, 7766205), (30, 6730711), (39, 5177470), (65, 3106482), (78, 2588735), (130, 1553241), (195, 1035494), (390, 517747)]