28467890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 60186240

約数和(自身を除く): 31718350

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 53, 55, 95, 106, 110, 190, 209, 257, 265, 418, 514, 530, 583, 1007, 1045, 1166, 1285, 2014, 2090, 2570, 2827, 2915, 4883, 5035, 5654, 5830, 9766, 10070, 11077, 13621, 14135, 22154, 24415, 27242, 28270, 48830, 53713, 55385, 68105, 107426, 110770, 136210, 149831, 258799, 268565, 299662, 517598, 537130, 749155, 1293995, 1498310, 2587990, 2846789, 5693578, 14233945, 28467890]

約数ペア:

[(1, 28467890), (2, 14233945), (5, 5693578), (10, 2846789), (11, 2587990), (19, 1498310), (22, 1293995), (38, 749155), (53, 537130), (55, 517598), (95, 299662), (106, 268565), (110, 258799), (190, 149831), (209, 136210), (257, 110770), (265, 107426), (418, 68105), (514, 55385), (530, 53713), (583, 48830), (1007, 28270), (1045, 27242), (1166, 24415), (1285, 22154), (2014, 14135), (2090, 13621), (2570, 11077), (2827, 10070), (2915, 9766), (4883, 5830), (5035, 5654)]