261971710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26171}}^1$

素因数の和:26209

約数の個数: 64

約数和(自身を含む): 633153024

約数和(自身を除く): 371181314

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 26171, 52342, 130855, 183197, 261710, 287881, 340223, 366394, 575762, 680446, 915985, 1439405, 1701115, 1831970, 2015167, 2381561, 2878810, 3402230, 3742453, 4030334, 4763122, 7484906, 10075835, 11907805, 18712265, 20151670, 23815610, 26197171, 37424530, 52394342, 130985855, 261971710]

約数ペア:

[(1, 261971710), (2, 130985855), (5, 52394342), (7, 37424530), (10, 26197171), (11, 23815610), (13, 20151670), (14, 18712265), (22, 11907805), (26, 10075835), (35, 7484906), (55, 4763122), (65, 4030334), (70, 3742453), (77, 3402230), (91, 2878810), (110, 2381561), (130, 2015167), (143, 1831970), (154, 1701115), (182, 1439405), (286, 915985), (385, 680446), (455, 575762), (715, 366394), (770, 340223), (910, 287881), (1001, 261710), (1430, 183197), (2002, 130855), (5005, 52342), (10010, 26171)]