858642980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3302473}}^1$

素因数の和:3302495

約数の個数: 24

約数和(自身を含む): 1941854712

約数和(自身を除く): 1083211732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3302473, 6604946, 13209892, 16512365, 33024730, 42932149, 66049460, 85864298, 171728596, 214660745, 429321490, 858642980]

約数ペア:

[(1, 858642980), (2, 429321490), (4, 214660745), (5, 171728596), (10, 85864298), (13, 66049460), (20, 42932149), (26, 33024730), (52, 16512365), (65, 13209892), (130, 6604946), (260, 3302473)]