78367328

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:416

約数の個数: 72

約数和(自身を含む): 171459288

約数和(自身を除く): 93091960

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 169, 172, 208, 337, 338, 344, 416, 559, 674, 676, 688, 1118, 1348, 1352, 1376, 2236, 2696, 2704, 4381, 4472, 5392, 5408, 7267, 8762, 8944, 10784, 14491, 14534, 17524, 17888, 28982, 29068, 35048, 56953, 57964, 58136, 70096, 113906, 115928, 116272, 140192, 188383, 227812, 231856, 232544, 376766, 455624, 463712, 753532, 911248, 1507064, 1822496, 2448979, 3014128, 4897958, 6028256, 9795916, 19591832, 39183664, 78367328]

約数ペア:

[(1, 78367328), (2, 39183664), (4, 19591832), (8, 9795916), (13, 6028256), (16, 4897958), (26, 3014128), (32, 2448979), (43, 1822496), (52, 1507064), (86, 911248), (104, 753532), (169, 463712), (172, 455624), (208, 376766), (337, 232544), (338, 231856), (344, 227812), (416, 188383), (559, 140192), (674, 116272), (676, 115928), (688, 113906), (1118, 70096), (1348, 58136), (1352, 57964), (1376, 56953), (2236, 35048), (2696, 29068), (2704, 28982), (4381, 17888), (4472, 17524), (5392, 14534), (5408, 14491), (7267, 10784), (8762, 8944)]