28490266

素因数分解:

$2^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:396

約数の個数: 40

約数和(自身を含む): 52938900

約数和(自身を除く): 24448634

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 343, 349, 686, 698, 833, 1666, 2401, 2443, 4802, 4886, 5831, 5933, 11662, 11866, 17101, 34202, 40817, 41531, 81634, 83062, 119707, 239414, 290717, 581434, 837949, 1675898, 2035019, 4070038, 14245133, 28490266]

約数ペア:

[(1, 28490266), (2, 14245133), (7, 4070038), (14, 2035019), (17, 1675898), (34, 837949), (49, 581434), (98, 290717), (119, 239414), (238, 119707), (343, 83062), (349, 81634), (686, 41531), (698, 40817), (833, 34202), (1666, 17101), (2401, 11866), (2443, 11662), (4802, 5933), (4886, 5831)]