890991776

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{3583}}^1$

素因数の和:4021

約数の個数: 48

約数和(自身を含む): 1851494400

約数和(自身を除く): 960502624

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 409, 608, 818, 1636, 3272, 3583, 6544, 7166, 7771, 13088, 14332, 15542, 28664, 31084, 57328, 62168, 68077, 114656, 124336, 136154, 248672, 272308, 544616, 1089232, 1465447, 2178464, 2930894, 5861788, 11723576, 23447152, 27843493, 46894304, 55686986, 111373972, 222747944, 445495888, 890991776]

約数ペア:

[(1, 890991776), (2, 445495888), (4, 222747944), (8, 111373972), (16, 55686986), (19, 46894304), (32, 27843493), (38, 23447152), (76, 11723576), (152, 5861788), (304, 2930894), (409, 2178464), (608, 1465447), (818, 1089232), (1636, 544616), (3272, 272308), (3583, 248672), (6544, 136154), (7166, 124336), (7771, 114656), (13088, 68077), (14332, 62168), (15542, 57328), (28664, 31084)]