81619516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5743}}^1$

素因数の和:5794

約数の個数: 48

約数和(自身を含む): 173698560

約数和(自身を除く): 92079044

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 3553, 5743, 7106, 11486, 14212, 22972, 63173, 97631, 109117, 126346, 195262, 218234, 252692, 390524, 436468, 1073941, 1200287, 1854989, 2147882, 2400574, 3709978, 4295764, 4801148, 7419956, 20404879, 40809758, 81619516]

約数ペア:

[(1, 81619516), (2, 40809758), (4, 20404879), (11, 7419956), (17, 4801148), (19, 4295764), (22, 3709978), (34, 2400574), (38, 2147882), (44, 1854989), (68, 1200287), (76, 1073941), (187, 436468), (209, 390524), (323, 252692), (374, 218234), (418, 195262), (646, 126346), (748, 109117), (836, 97631), (1292, 63173), (3553, 22972), (5743, 14212), (7106, 11486)]