77715568

素因数分解:

$2^4\times 7^5\times {\mathrm{17}}^2$

素因数の和:77

約数の個数: 90

約数和(自身を含む): 186609336

約数和(自身を除く): 108893768

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 289, 343, 392, 476, 578, 686, 784, 833, 952, 1156, 1372, 1666, 1904, 2023, 2312, 2401, 2744, 3332, 4046, 4624, 4802, 5488, 5831, 6664, 8092, 9604, 11662, 13328, 14161, 16184, 16807, 19208, 23324, 28322, 32368, 33614, 38416, 40817, 46648, 56644, 67228, 81634, 93296, 99127, 113288, 134456, 163268, 198254, 226576, 268912, 285719, 326536, 396508, 571438, 653072, 693889, 793016, 1142876, 1387778, 1586032, 2285752, 2775556, 4571504, 4857223, 5551112, 9714446, 11102224, 19428892, 38857784, 77715568]

約数ペア:

[(1, 77715568), (2, 38857784), (4, 19428892), (7, 11102224), (8, 9714446), (14, 5551112), (16, 4857223), (17, 4571504), (28, 2775556), (34, 2285752), (49, 1586032), (56, 1387778), (68, 1142876), (98, 793016), (112, 693889), (119, 653072), (136, 571438), (196, 396508), (238, 326536), (272, 285719), (289, 268912), (343, 226576), (392, 198254), (476, 163268), (578, 134456), (686, 113288), (784, 99127), (833, 93296), (952, 81634), (1156, 67228), (1372, 56644), (1666, 46648), (1904, 40817), (2023, 38416), (2312, 33614), (2401, 32368), (2744, 28322), (3332, 23324), (4046, 19208), (4624, 16807), (4802, 16184), (5488, 14161), (5831, 13328), (6664, 11662), (8092, 9604)]