388549095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 697849344

約数和(自身を除く): 309300249

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 157, 159, 165, 265, 283, 471, 583, 785, 795, 849, 1415, 1727, 1749, 2355, 2915, 3113, 4245, 5181, 8321, 8635, 8745, 9339, 14999, 15565, 24963, 25905, 41605, 44431, 44997, 46695, 74995, 91531, 124815, 133293, 164989, 222155, 224985, 274593, 457655, 488741, 494967, 666465, 824945, 1372965, 1466223, 2354843, 2443705, 2474835, 7064529, 7331115, 11774215, 25903273, 35322645, 77709819, 129516365, 388549095]

約数ペア:

[(1, 388549095), (3, 129516365), (5, 77709819), (11, 35322645), (15, 25903273), (33, 11774215), (53, 7331115), (55, 7064529), (157, 2474835), (159, 2443705), (165, 2354843), (265, 1466223), (283, 1372965), (471, 824945), (583, 666465), (785, 494967), (795, 488741), (849, 457655), (1415, 274593), (1727, 224985), (1749, 222155), (2355, 164989), (2915, 133293), (3113, 124815), (4245, 91531), (5181, 74995), (8321, 46695), (8635, 44997), (8745, 44431), (9339, 41605), (14999, 25905), (15565, 24963)]