78139516

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:388

約数の個数: 72

約数和(自身を含む): 173191200

約数和(自身を除く): 95051684

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 337, 338, 343, 364, 637, 674, 676, 686, 1183, 1274, 1348, 1372, 2359, 2366, 2548, 4381, 4459, 4718, 4732, 8281, 8762, 8918, 9436, 16513, 16562, 17524, 17836, 30667, 33026, 33124, 56953, 57967, 61334, 66052, 113906, 115591, 115934, 122668, 214669, 227812, 231182, 231868, 398671, 429338, 462364, 797342, 858676, 1502683, 1594684, 2790697, 3005366, 5581394, 6010732, 11162788, 19534879, 39069758, 78139516]

約数ペア:

[(1, 78139516), (2, 39069758), (4, 19534879), (7, 11162788), (13, 6010732), (14, 5581394), (26, 3005366), (28, 2790697), (49, 1594684), (52, 1502683), (91, 858676), (98, 797342), (169, 462364), (182, 429338), (196, 398671), (337, 231868), (338, 231182), (343, 227812), (364, 214669), (637, 122668), (674, 115934), (676, 115591), (686, 113906), (1183, 66052), (1274, 61334), (1348, 57967), (1372, 56953), (2359, 33124), (2366, 33026), (2548, 30667), (4381, 17836), (4459, 17524), (4718, 16562), (4732, 16513), (8281, 9436), (8762, 8918)]