28289808

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{2767}}^1$

素因数の和:2852

約数の個数: 60

約数和(自身を含む): 80316288

約数和(自身を除く): 52026480

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 2767, 3408, 5112, 5534, 8301, 10224, 11068, 16602, 22136, 24903, 33204, 44272, 49806, 66408, 99612, 132816, 196457, 199224, 392914, 398448, 589371, 785828, 1178742, 1571656, 1768113, 2357484, 3143312, 3536226, 4714968, 7072452, 9429936, 14144904, 28289808]

約数ペア:

[(1, 28289808), (2, 14144904), (3, 9429936), (4, 7072452), (6, 4714968), (8, 3536226), (9, 3143312), (12, 2357484), (16, 1768113), (18, 1571656), (24, 1178742), (36, 785828), (48, 589371), (71, 398448), (72, 392914), (142, 199224), (144, 196457), (213, 132816), (284, 99612), (426, 66408), (568, 49806), (639, 44272), (852, 33204), (1136, 24903), (1278, 22136), (1704, 16602), (2556, 11068), (2767, 10224), (3408, 8301), (5112, 5534)]