208163754

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{179}}^1$

素因数の和:316

約数の個数: 72

約数和(自身を含む): 482358240

約数和(自身を除く): 274194486

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 53, 69, 106, 138, 159, 179, 207, 318, 358, 414, 477, 537, 954, 1074, 1219, 1611, 2438, 2809, 3222, 3657, 4117, 5618, 7314, 8234, 8427, 9487, 10971, 12351, 16854, 18974, 21942, 24702, 25281, 28461, 37053, 50562, 56922, 64607, 74106, 85383, 129214, 170766, 193821, 218201, 387642, 436402, 502811, 581463, 654603, 1005622, 1162926, 1309206, 1508433, 1963809, 3016866, 3927618, 4525299, 9050598, 11564653, 23129306, 34693959, 69387918, 104081877, 208163754]

約数ペア:

[(1, 208163754), (2, 104081877), (3, 69387918), (6, 34693959), (9, 23129306), (18, 11564653), (23, 9050598), (46, 4525299), (53, 3927618), (69, 3016866), (106, 1963809), (138, 1508433), (159, 1309206), (179, 1162926), (207, 1005622), (318, 654603), (358, 581463), (414, 502811), (477, 436402), (537, 387642), (954, 218201), (1074, 193821), (1219, 170766), (1611, 129214), (2438, 85383), (2809, 74106), (3222, 64607), (3657, 56922), (4117, 50562), (5618, 37053), (7314, 28461), (8234, 25281), (8427, 24702), (9487, 21942), (10971, 18974), (12351, 16854)]