28643504

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 62853120

約数和(自身を除く): 34209616

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 43, 62, 68, 79, 86, 124, 136, 158, 172, 248, 272, 316, 344, 496, 527, 632, 688, 731, 1054, 1264, 1333, 1343, 1462, 2108, 2449, 2666, 2686, 2924, 3397, 4216, 4898, 5332, 5372, 5848, 6794, 8432, 9796, 10664, 10744, 11696, 13588, 19592, 21328, 21488, 22661, 27176, 39184, 41633, 45322, 54352, 57749, 83266, 90644, 105307, 115498, 166532, 181288, 210614, 230996, 333064, 362576, 421228, 461992, 666128, 842456, 923984, 1684912, 1790219, 3580438, 7160876, 14321752, 28643504]

約数ペア:

[(1, 28643504), (2, 14321752), (4, 7160876), (8, 3580438), (16, 1790219), (17, 1684912), (31, 923984), (34, 842456), (43, 666128), (62, 461992), (68, 421228), (79, 362576), (86, 333064), (124, 230996), (136, 210614), (158, 181288), (172, 166532), (248, 115498), (272, 105307), (316, 90644), (344, 83266), (496, 57749), (527, 54352), (632, 45322), (688, 41633), (731, 39184), (1054, 27176), (1264, 22661), (1333, 21488), (1343, 21328), (1462, 19592), (2108, 13588), (2449, 11696), (2666, 10744), (2686, 10664), (2924, 9796), (3397, 8432), (4216, 6794), (4898, 5848), (5332, 5372)]