81987416

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24001}}^1$

素因数の和:24075

約数の個数: 32

約数和(自身を含む): 178574880

約数和(自身を除く): 96587464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 24001, 48002, 96004, 168007, 192008, 336014, 672028, 1344056, 1464061, 2928122, 5856244, 10248427, 11712488, 20496854, 40993708, 81987416]

約数ペア:

[(1, 81987416), (2, 40993708), (4, 20496854), (7, 11712488), (8, 10248427), (14, 5856244), (28, 2928122), (56, 1464061), (61, 1344056), (122, 672028), (244, 336014), (427, 192008), (488, 168007), (854, 96004), (1708, 48002), (3416, 24001)]