1557069076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{1999}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 2957920000

約数和(自身を除く): 1400850924

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 277, 554, 703, 1108, 1406, 1999, 2812, 3998, 5263, 7996, 10249, 10526, 20498, 21052, 37981, 40996, 73963, 75962, 147926, 151924, 194731, 295852, 389462, 553723, 778924, 1107446, 1405297, 2214892, 2810594, 5621188, 10520737, 20487751, 21041474, 40975502, 42082948, 81951004, 389267269, 778534538, 1557069076]

約数ペア:

[(1, 1557069076), (2, 778534538), (4, 389267269), (19, 81951004), (37, 42082948), (38, 40975502), (74, 21041474), (76, 20487751), (148, 10520737), (277, 5621188), (554, 2810594), (703, 2214892), (1108, 1405297), (1406, 1107446), (1999, 778924), (2812, 553723), (3998, 389462), (5263, 295852), (7996, 194731), (10249, 151924), (10526, 147926), (20498, 75962), (21052, 73963), (37981, 40996)]