81222596

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 180182016

約数和(自身を除く): 98959420

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 127, 182, 196, 251, 254, 364, 502, 508, 637, 889, 1004, 1274, 1651, 1757, 1778, 2548, 3263, 3302, 3514, 3556, 6223, 6526, 6604, 7028, 11557, 12299, 12446, 13052, 22841, 23114, 24598, 24892, 31877, 45682, 46228, 49196, 63754, 80899, 91364, 127508, 159887, 161798, 223139, 319774, 323596, 414401, 446278, 639548, 828802, 892556, 1561973, 1657604, 2900807, 3123946, 5801614, 6247892, 11603228, 20305649, 40611298, 81222596]

約数ペア:

[(1, 81222596), (2, 40611298), (4, 20305649), (7, 11603228), (13, 6247892), (14, 5801614), (26, 3123946), (28, 2900807), (49, 1657604), (52, 1561973), (91, 892556), (98, 828802), (127, 639548), (182, 446278), (196, 414401), (251, 323596), (254, 319774), (364, 223139), (502, 161798), (508, 159887), (637, 127508), (889, 91364), (1004, 80899), (1274, 63754), (1651, 49196), (1757, 46228), (1778, 45682), (2548, 31877), (3263, 24892), (3302, 24598), (3514, 23114), (3556, 22841), (6223, 13052), (6526, 12446), (6604, 12299), (7028, 11557)]