257563476

素因数分解:

$2^2\times 3^5\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 724284288

約数和(自身を除く): 466720812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 41, 46, 54, 69, 81, 82, 92, 108, 123, 138, 162, 164, 207, 243, 246, 276, 281, 324, 369, 414, 486, 492, 562, 621, 738, 828, 843, 943, 972, 1107, 1124, 1242, 1476, 1686, 1863, 1886, 2214, 2484, 2529, 2829, 3321, 3372, 3726, 3772, 4428, 5058, 5589, 5658, 6463, 6642, 7452, 7587, 8487, 9963, 10116, 11178, 11316, 11521, 12926, 13284, 15174, 16974, 19389, 19926, 22356, 22761, 23042, 25461, 25852, 30348, 33948, 34563, 38778, 39852, 45522, 46084, 50922, 58167, 68283, 69126, 76383, 77556, 91044, 101844, 103689, 116334, 136566, 138252, 152766, 174501, 207378, 229149, 232668, 264983, 273132, 305532, 311067, 349002, 414756, 458298, 523503, 529966, 622134, 698004, 794949, 916596, 933201, 1047006, 1059932, 1244268, 1570509, 1589898, 1866402, 2094012, 2384847, 2799603, 3141018, 3179796, 3732804, 4769694, 5599206, 6282036, 7154541, 9539388, 11198412, 14309082, 21463623, 28618164, 42927246, 64390869, 85854492, 128781738, 257563476]

約数ペア:

[(1, 257563476), (2, 128781738), (3, 85854492), (4, 64390869), (6, 42927246), (9, 28618164), (12, 21463623), (18, 14309082), (23, 11198412), (27, 9539388), (36, 7154541), (41, 6282036), (46, 5599206), (54, 4769694), (69, 3732804), (81, 3179796), (82, 3141018), (92, 2799603), (108, 2384847), (123, 2094012), (138, 1866402), (162, 1589898), (164, 1570509), (207, 1244268), (243, 1059932), (246, 1047006), (276, 933201), (281, 916596), (324, 794949), (369, 698004), (414, 622134), (486, 529966), (492, 523503), (562, 458298), (621, 414756), (738, 349002), (828, 311067), (843, 305532), (943, 273132), (972, 264983), (1107, 232668), (1124, 229149), (1242, 207378), (1476, 174501), (1686, 152766), (1863, 138252), (1886, 136566), (2214, 116334), (2484, 103689), (2529, 101844), (2829, 91044), (3321, 77556), (3372, 76383), (3726, 69126), (3772, 68283), (4428, 58167), (5058, 50922), (5589, 46084), (5658, 45522), (6463, 39852), (6642, 38778), (7452, 34563), (7587, 33948), (8487, 30348), (9963, 25852), (10116, 25461), (11178, 23042), (11316, 22761), (11521, 22356), (12926, 19926), (13284, 19389), (15174, 16974)]