205089913

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 248935680

約数和(自身を除く): 43845767

約数列:

[1, 7, 41, 53, 97, 139, 287, 371, 679, 973, 2173, 3977, 5141, 5699, 7367, 13483, 15211, 27839, 35987, 39893, 51569, 94381, 210781, 302047, 552803, 714599, 1475467, 2114329, 3869621, 5002193, 29298559, 205089913]

約数ペア:

[(1, 205089913), (7, 29298559), (41, 5002193), (53, 3869621), (97, 2114329), (139, 1475467), (287, 714599), (371, 552803), (679, 302047), (973, 210781), (2173, 94381), (3977, 51569), (5141, 39893), (5699, 35987), (7367, 27839), (13483, 15211)]