128887336

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1682

約数の個数: 64

約数和(自身を含む): 278208000

約数和(自身を除く): 149320664

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 323, 527, 589, 646, 1054, 1178, 1292, 1609, 2108, 2356, 2584, 3218, 4216, 4712, 6436, 10013, 12872, 20026, 27353, 30571, 40052, 49879, 54706, 61142, 80104, 99758, 109412, 122284, 199516, 218824, 244568, 399032, 519707, 847943, 947701, 1039414, 1695886, 1895402, 2078828, 3391772, 3790804, 4157656, 6783544, 7581608, 16110917, 32221834, 64443668, 128887336]

約数ペア:

[(1, 128887336), (2, 64443668), (4, 32221834), (8, 16110917), (17, 7581608), (19, 6783544), (31, 4157656), (34, 3790804), (38, 3391772), (62, 2078828), (68, 1895402), (76, 1695886), (124, 1039414), (136, 947701), (152, 847943), (248, 519707), (323, 399032), (527, 244568), (589, 218824), (646, 199516), (1054, 122284), (1178, 109412), (1292, 99758), (1609, 80104), (2108, 61142), (2356, 54706), (2584, 49879), (3218, 40052), (4216, 30571), (4712, 27353), (6436, 20026), (10013, 12872)]