81716616

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7229}}^1$

素因数の和:7398

約数の個数: 48

約数和(自身を含む): 222756300

約数和(自身を除く): 141039684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 5652, 7229, 11304, 14458, 21687, 28916, 43374, 57832, 65061, 86748, 130122, 173496, 260244, 520488, 1134953, 2269906, 3404859, 4539812, 6809718, 9079624, 10214577, 13619436, 20429154, 27238872, 40858308, 81716616]

約数ペア:

[(1, 81716616), (2, 40858308), (3, 27238872), (4, 20429154), (6, 13619436), (8, 10214577), (9, 9079624), (12, 6809718), (18, 4539812), (24, 3404859), (36, 2269906), (72, 1134953), (157, 520488), (314, 260244), (471, 173496), (628, 130122), (942, 86748), (1256, 65061), (1413, 57832), (1884, 43374), (2826, 28916), (3768, 21687), (5652, 14458), (7229, 11304)]