81714556

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 183399552

約数和(自身を除く): 101684996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 151, 154, 196, 251, 302, 308, 502, 539, 604, 1004, 1057, 1078, 1661, 1757, 2114, 2156, 2761, 3322, 3514, 4228, 5522, 6644, 7028, 7399, 11044, 11627, 12299, 14798, 19327, 23254, 24598, 29596, 37901, 38654, 46508, 49196, 75802, 77308, 81389, 135289, 151604, 162778, 265307, 270578, 325556, 416911, 530614, 541156, 833822, 1061228, 1667644, 1857149, 2918377, 3714298, 5836754, 7428596, 11673508, 20428639, 40857278, 81714556]

約数ペア:

[(1, 81714556), (2, 40857278), (4, 20428639), (7, 11673508), (11, 7428596), (14, 5836754), (22, 3714298), (28, 2918377), (44, 1857149), (49, 1667644), (77, 1061228), (98, 833822), (151, 541156), (154, 530614), (196, 416911), (251, 325556), (302, 270578), (308, 265307), (502, 162778), (539, 151604), (604, 135289), (1004, 81389), (1057, 77308), (1078, 75802), (1661, 49196), (1757, 46508), (2114, 38654), (2156, 37901), (2761, 29596), (3322, 24598), (3514, 23254), (4228, 19327), (5522, 14798), (6644, 12299), (7028, 11627), (7399, 11044)]