209879168

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 443292000

約数和(自身を除く): 233412832

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 211, 304, 409, 422, 608, 818, 844, 1216, 1636, 1688, 2432, 3272, 3376, 4009, 6544, 6752, 7771, 8018, 13088, 13504, 15542, 16036, 26176, 27008, 31084, 32072, 52352, 62168, 64144, 86299, 124336, 128288, 172598, 248672, 256576, 345196, 497344, 513152, 690392, 994688, 1380784, 1639681, 2761568, 3279362, 5523136, 6558724, 11046272, 13117448, 26234896, 52469792, 104939584, 209879168]

約数ペア:

[(1, 209879168), (2, 104939584), (4, 52469792), (8, 26234896), (16, 13117448), (19, 11046272), (32, 6558724), (38, 5523136), (64, 3279362), (76, 2761568), (128, 1639681), (152, 1380784), (211, 994688), (304, 690392), (409, 513152), (422, 497344), (608, 345196), (818, 256576), (844, 248672), (1216, 172598), (1636, 128288), (1688, 124336), (2432, 86299), (3272, 64144), (3376, 62168), (4009, 52352), (6544, 32072), (6752, 31084), (7771, 27008), (8018, 26176), (13088, 16036), (13504, 15542)]