628429978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 1122854400

約数和(自身を除く): 494424422

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 179, 209, 227, 358, 407, 418, 454, 703, 814, 1406, 1969, 2497, 3401, 3938, 4313, 4994, 6623, 6802, 7733, 8399, 8626, 13246, 15466, 16798, 37411, 40633, 47443, 72853, 74822, 81266, 92389, 94886, 125837, 145706, 159581, 184778, 251674, 319162, 446963, 772027, 893926, 1384207, 1503421, 1544054, 1755391, 2768414, 3006842, 3510782, 8492297, 16537631, 16984594, 28564999, 33075262, 57129998, 314214989, 628429978]

約数ペア:

[(1, 628429978), (2, 314214989), (11, 57129998), (19, 33075262), (22, 28564999), (37, 16984594), (38, 16537631), (74, 8492297), (179, 3510782), (209, 3006842), (227, 2768414), (358, 1755391), (407, 1544054), (418, 1503421), (454, 1384207), (703, 893926), (814, 772027), (1406, 446963), (1969, 319162), (2497, 251674), (3401, 184778), (3938, 159581), (4313, 145706), (4994, 125837), (6623, 94886), (6802, 92389), (7733, 81266), (8399, 74822), (8626, 72853), (13246, 47443), (15466, 40633), (16798, 37411)]