28370368

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 84

約数和(自身を含む): 63401448

約数和(自身を除く): 35031080

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 61, 64, 86, 104, 122, 169, 172, 208, 244, 338, 344, 416, 488, 559, 676, 688, 793, 832, 976, 1118, 1352, 1376, 1586, 1952, 2236, 2623, 2704, 2752, 3172, 3904, 4472, 5246, 5408, 6344, 7267, 8944, 10309, 10492, 10816, 12688, 14534, 17888, 20618, 20984, 25376, 29068, 34099, 35776, 41236, 41968, 50752, 58136, 68198, 82472, 83936, 116272, 136396, 164944, 167872, 232544, 272792, 329888, 443287, 465088, 545584, 659776, 886574, 1091168, 1773148, 2182336, 3546296, 7092592, 14185184, 28370368]

約数ペア:

[(1, 28370368), (2, 14185184), (4, 7092592), (8, 3546296), (13, 2182336), (16, 1773148), (26, 1091168), (32, 886574), (43, 659776), (52, 545584), (61, 465088), (64, 443287), (86, 329888), (104, 272792), (122, 232544), (169, 167872), (172, 164944), (208, 136396), (244, 116272), (338, 83936), (344, 82472), (416, 68198), (488, 58136), (559, 50752), (676, 41968), (688, 41236), (793, 35776), (832, 34099), (976, 29068), (1118, 25376), (1352, 20984), (1376, 20618), (1586, 17888), (1952, 14534), (2236, 12688), (2623, 10816), (2704, 10492), (2752, 10309), (3172, 8944), (3904, 7267), (4472, 6344), (5246, 5408)]