257529170015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{557}}^1\times {\mathrm{25679}}^1$

素因数の和:26531

約数の個数: 32

約数和(自身を含む): 334621082880

約数和(自身を除く): 77091912865

約数列:

[1, 5, 13, 65, 277, 557, 1385, 2785, 3601, 7241, 18005, 25679, 36205, 128395, 154289, 333827, 771445, 1669135, 2005757, 7113083, 10028785, 14303203, 35565415, 71516015, 92470079, 185941639, 462350395, 929708195, 3961987231, 19809936155, 51505834003, 257529170015]

約数ペア:

[(1, 257529170015), (5, 51505834003), (13, 19809936155), (65, 3961987231), (277, 929708195), (557, 462350395), (1385, 185941639), (2785, 92470079), (3601, 71516015), (7241, 35565415), (18005, 14303203), (25679, 10028785), (36205, 7113083), (128395, 2005757), (154289, 1669135), (333827, 771445)]