81941496

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2207}}^1$

素因数の和:2253

約数の個数: 128

約数和(自身を含む): 267079680

約数和(自身を除く): 185138184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 17, 21, 24, 26, 28, 34, 39, 42, 51, 52, 56, 68, 78, 84, 91, 102, 104, 119, 136, 156, 168, 182, 204, 221, 238, 273, 312, 357, 364, 408, 442, 476, 546, 663, 714, 728, 884, 952, 1092, 1326, 1428, 1547, 1768, 2184, 2207, 2652, 2856, 3094, 4414, 4641, 5304, 6188, 6621, 8828, 9282, 12376, 13242, 15449, 17656, 18564, 26484, 28691, 30898, 37128, 37519, 46347, 52968, 57382, 61796, 75038, 86073, 92694, 112557, 114764, 123592, 150076, 172146, 185388, 200837, 225114, 229528, 262633, 300152, 344292, 370776, 401674, 450228, 487747, 525266, 602511, 688584, 787899, 803348, 900456, 975494, 1050532, 1205022, 1463241, 1575798, 1606696, 1950988, 2101064, 2410044, 2926482, 3151596, 3414229, 3901976, 4820088, 5852964, 6303192, 6828458, 10242687, 11705928, 13656916, 20485374, 27313832, 40970748, 81941496]

約数ペア:

[(1, 81941496), (2, 40970748), (3, 27313832), (4, 20485374), (6, 13656916), (7, 11705928), (8, 10242687), (12, 6828458), (13, 6303192), (14, 5852964), (17, 4820088), (21, 3901976), (24, 3414229), (26, 3151596), (28, 2926482), (34, 2410044), (39, 2101064), (42, 1950988), (51, 1606696), (52, 1575798), (56, 1463241), (68, 1205022), (78, 1050532), (84, 975494), (91, 900456), (102, 803348), (104, 787899), (119, 688584), (136, 602511), (156, 525266), (168, 487747), (182, 450228), (204, 401674), (221, 370776), (238, 344292), (273, 300152), (312, 262633), (357, 229528), (364, 225114), (408, 200837), (442, 185388), (476, 172146), (546, 150076), (663, 123592), (714, 114764), (728, 112557), (884, 92694), (952, 86073), (1092, 75038), (1326, 61796), (1428, 57382), (1547, 52968), (1768, 46347), (2184, 37519), (2207, 37128), (2652, 30898), (2856, 28691), (3094, 26484), (4414, 18564), (4641, 17656), (5304, 15449), (6188, 13242), (6621, 12376), (8828, 9282)]