28779228

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 75636288

約数和(自身を除く): 46857060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 73, 94, 141, 146, 188, 219, 233, 282, 292, 423, 438, 466, 564, 657, 699, 846, 876, 932, 1314, 1398, 1692, 2097, 2628, 2796, 3431, 4194, 6862, 8388, 10293, 10951, 13724, 17009, 20586, 21902, 30879, 32853, 34018, 41172, 43804, 51027, 61758, 65706, 68036, 98559, 102054, 123516, 131412, 153081, 197118, 204108, 306162, 394236, 612324, 799423, 1598846, 2398269, 3197692, 4796538, 7194807, 9593076, 14389614, 28779228]

約数ペア:

[(1, 28779228), (2, 14389614), (3, 9593076), (4, 7194807), (6, 4796538), (9, 3197692), (12, 2398269), (18, 1598846), (36, 799423), (47, 612324), (73, 394236), (94, 306162), (141, 204108), (146, 197118), (188, 153081), (219, 131412), (233, 123516), (282, 102054), (292, 98559), (423, 68036), (438, 65706), (466, 61758), (564, 51027), (657, 43804), (699, 41172), (846, 34018), (876, 32853), (932, 30879), (1314, 21902), (1398, 20586), (1692, 17009), (2097, 13724), (2628, 10951), (2796, 10293), (3431, 8388), (4194, 6862)]