1721664868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{328813}}^1$

素因数の和:328852

約数の個数: 48

約数和(自身を含む): 3977334144

約数和(自身を除く): 2255669276

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 5236, 328813, 657626, 1315252, 2301691, 3616943, 4603382, 5589821, 7233886, 9206764, 11179642, 14467772, 22359284, 25318601, 39128747, 50637202, 61488031, 78257494, 101274404, 122976062, 156514988, 245952124, 430416217, 860832434, 1721664868]

約数ペア:

[(1, 1721664868), (2, 860832434), (4, 430416217), (7, 245952124), (11, 156514988), (14, 122976062), (17, 101274404), (22, 78257494), (28, 61488031), (34, 50637202), (44, 39128747), (68, 25318601), (77, 22359284), (119, 14467772), (154, 11179642), (187, 9206764), (238, 7233886), (308, 5589821), (374, 4603382), (476, 3616943), (748, 2301691), (1309, 1315252), (2618, 657626), (5236, 328813)]