127967774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{787}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 221270400

約数和(自身を除く): 93302626

約数列:

[1, 2, 11, 19, 22, 38, 209, 389, 418, 778, 787, 1574, 4279, 7391, 8558, 8657, 14782, 14953, 17314, 29906, 81301, 162602, 164483, 306143, 328966, 612286, 3367573, 5816717, 6735146, 11633434, 63983887, 127967774]

約数ペア:

[(1, 127967774), (2, 63983887), (11, 11633434), (19, 6735146), (22, 5816717), (38, 3367573), (209, 612286), (389, 328966), (418, 306143), (778, 164483), (787, 162602), (1574, 81301), (4279, 29906), (7391, 17314), (8558, 14953), (8657, 14782)]