207421556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4339}}^1$

素因数の和:4416

約数の個数: 48

約数和(自身を含む): 415598400

約数和(自身を除く): 208176844

約数列:

[1, 2, 4, 17, 19, 34, 37, 38, 68, 74, 76, 148, 323, 629, 646, 703, 1258, 1292, 1406, 2516, 2812, 4339, 8678, 11951, 17356, 23902, 47804, 73763, 82441, 147526, 160543, 164882, 295052, 321086, 329764, 642172, 1401497, 2729231, 2802994, 3050317, 5458462, 5605988, 6100634, 10916924, 12201268, 51855389, 103710778, 207421556]

約数ペア:

[(1, 207421556), (2, 103710778), (4, 51855389), (17, 12201268), (19, 10916924), (34, 6100634), (37, 5605988), (38, 5458462), (68, 3050317), (74, 2802994), (76, 2729231), (148, 1401497), (323, 642172), (629, 329764), (646, 321086), (703, 295052), (1258, 164882), (1292, 160543), (1406, 147526), (2516, 82441), (2812, 73763), (4339, 47804), (8678, 23902), (11951, 17356)]