28815136

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 74462976

約数和(自身を除く): 45647840

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 47, 49, 56, 68, 92, 94, 98, 112, 119, 136, 161, 184, 188, 196, 224, 238, 272, 322, 329, 368, 376, 391, 392, 476, 544, 644, 658, 736, 752, 782, 784, 799, 833, 952, 1081, 1127, 1288, 1316, 1504, 1564, 1568, 1598, 1666, 1904, 2162, 2254, 2303, 2576, 2632, 2737, 3128, 3196, 3332, 3808, 4324, 4508, 4606, 5152, 5264, 5474, 5593, 6256, 6392, 6664, 7567, 8648, 9016, 9212, 10528, 10948, 11186, 12512, 12784, 13328, 15134, 17296, 18032, 18377, 18424, 19159, 21896, 22372, 25568, 26656, 30268, 34592, 36064, 36754, 36848, 38318, 39151, 43792, 44744, 52969, 60536, 73508, 73696, 76636, 78302, 87584, 89488, 105938, 121072, 128639, 147016, 153272, 156604, 178976, 211876, 242144, 257278, 294032, 306544, 313208, 423752, 514556, 588064, 613088, 626416, 847504, 900473, 1029112, 1252832, 1695008, 1800946, 2058224, 3601892, 4116448, 7203784, 14407568, 28815136]

約数ペア:

[(1, 28815136), (2, 14407568), (4, 7203784), (7, 4116448), (8, 3601892), (14, 2058224), (16, 1800946), (17, 1695008), (23, 1252832), (28, 1029112), (32, 900473), (34, 847504), (46, 626416), (47, 613088), (49, 588064), (56, 514556), (68, 423752), (92, 313208), (94, 306544), (98, 294032), (112, 257278), (119, 242144), (136, 211876), (161, 178976), (184, 156604), (188, 153272), (196, 147016), (224, 128639), (238, 121072), (272, 105938), (322, 89488), (329, 87584), (368, 78302), (376, 76636), (391, 73696), (392, 73508), (476, 60536), (544, 52969), (644, 44744), (658, 43792), (736, 39151), (752, 38318), (782, 36848), (784, 36754), (799, 36064), (833, 34592), (952, 30268), (1081, 26656), (1127, 25568), (1288, 22372), (1316, 21896), (1504, 19159), (1564, 18424), (1568, 18377), (1598, 18032), (1666, 17296), (1904, 15134), (2162, 13328), (2254, 12784), (2303, 12512), (2576, 11186), (2632, 10948), (2737, 10528), (3128, 9212), (3196, 9016), (3332, 8648), (3808, 7567), (4324, 6664), (4508, 6392), (4606, 6256), (5152, 5593), (5264, 5474)]