81890142

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{2389}}^1$

素因数の和:2620

約数の個数: 32

約数和(自身を含む): 170359200

約数和(自身を除く): 88469058

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 197, 394, 591, 1182, 2389, 4778, 5713, 7167, 11426, 14334, 17139, 34278, 69281, 138562, 207843, 415686, 470633, 941266, 1411899, 2823798, 13648357, 27296714, 40945071, 81890142]

約数ペア:

[(1, 81890142), (2, 40945071), (3, 27296714), (6, 13648357), (29, 2823798), (58, 1411899), (87, 941266), (174, 470633), (197, 415686), (394, 207843), (591, 138562), (1182, 69281), (2389, 34278), (4778, 17139), (5713, 14334), (7167, 11426)]