86881990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9413}}^1$

素因数の和:9504

約数の個数: 32

約数和(自身を含む): 170807616

約数和(自身を除く): 83925626

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 9413, 18826, 47065, 94130, 122369, 244738, 611845, 668323, 1223690, 1336646, 3341615, 6683230, 8688199, 17376398, 43440995, 86881990]

約数ペア:

[(1, 86881990), (2, 43440995), (5, 17376398), (10, 8688199), (13, 6683230), (26, 3341615), (65, 1336646), (71, 1223690), (130, 668323), (142, 611845), (355, 244738), (710, 122369), (923, 94130), (1846, 47065), (4615, 18826), (9230, 9413)]