91990210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37243}}^1$

素因数の和:37282

約数の個数: 32

約数和(自身を含む): 187709760

約数和(自身を除く): 95719550

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 37243, 74486, 186215, 372430, 484159, 707617, 968318, 1415234, 2420795, 3538085, 4841590, 7076170, 9199021, 18398042, 45995105, 91990210]

約数ペア:

[(1, 91990210), (2, 45995105), (5, 18398042), (10, 9199021), (13, 7076170), (19, 4841590), (26, 3538085), (38, 2420795), (65, 1415234), (95, 968318), (130, 707617), (190, 484159), (247, 372430), (494, 186215), (1235, 74486), (2470, 37243)]