81416244

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10651}}^1$

素因数の和:10685

約数の個数: 72

約数和(自身を含む): 238008288

約数和(自身を除く): 156592044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 10651, 21302, 31953, 42604, 63906, 74557, 127812, 138463, 149114, 223671, 276926, 298228, 415389, 447342, 521899, 553852, 830778, 894684, 969241, 1043798, 1565697, 1661556, 1938482, 2087596, 2907723, 3131394, 3876964, 5815446, 6262788, 6784687, 11630892, 13569374, 20354061, 27138748, 40708122, 81416244]

約数ペア:

[(1, 81416244), (2, 40708122), (3, 27138748), (4, 20354061), (6, 13569374), (7, 11630892), (12, 6784687), (13, 6262788), (14, 5815446), (21, 3876964), (26, 3131394), (28, 2907723), (39, 2087596), (42, 1938482), (49, 1661556), (52, 1565697), (78, 1043798), (84, 969241), (91, 894684), (98, 830778), (147, 553852), (156, 521899), (182, 447342), (196, 415389), (273, 298228), (294, 276926), (364, 223671), (546, 149114), (588, 138463), (637, 127812), (1092, 74557), (1274, 63906), (1911, 42604), (2548, 31953), (3822, 21302), (7644, 10651)]