28033873

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 7528367

約数列:

[1, 7, 19, 41, 53, 97, 133, 287, 371, 679, 779, 1007, 1843, 2173, 3977, 5141, 5453, 7049, 12901, 15211, 27839, 35987, 41287, 75563, 97679, 210781, 289009, 528941, 683753, 1475467, 4004839, 28033873]

約数ペア:

[(1, 28033873), (7, 4004839), (19, 1475467), (41, 683753), (53, 528941), (97, 289009), (133, 210781), (287, 97679), (371, 75563), (679, 41287), (779, 35987), (1007, 27839), (1843, 15211), (2173, 12901), (3977, 7049), (5141, 5453)]