681578212

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{5323}}^1$

素因数の和:5620

約数の個数: 48

約数和(自身を含む): 1448979840

約数和(自身を除く): 767401628

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 269, 476, 538, 1076, 1883, 3766, 4573, 5323, 7532, 9146, 10646, 18292, 21292, 32011, 37261, 64022, 74522, 90491, 128044, 149044, 180982, 361964, 633437, 1266874, 1431887, 2533748, 2863774, 5727548, 10023209, 20046418, 24342079, 40092836, 48684158, 97368316, 170394553, 340789106, 681578212]

約数ペア:

[(1, 681578212), (2, 340789106), (4, 170394553), (7, 97368316), (14, 48684158), (17, 40092836), (28, 24342079), (34, 20046418), (68, 10023209), (119, 5727548), (238, 2863774), (269, 2533748), (476, 1431887), (538, 1266874), (1076, 633437), (1883, 361964), (3766, 180982), (4573, 149044), (5323, 128044), (7532, 90491), (9146, 74522), (10646, 64022), (18292, 37261), (21292, 32011)]