12557968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 26027352

約数和(自身を除く): 13469384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 137, 272, 274, 337, 548, 674, 1096, 1348, 2192, 2329, 2696, 4658, 5392, 5729, 9316, 11458, 18632, 22916, 37264, 45832, 46169, 91664, 92338, 184676, 369352, 738704, 784873, 1569746, 3139492, 6278984, 12557968]

約数ペア:

[(1, 12557968), (2, 6278984), (4, 3139492), (8, 1569746), (16, 784873), (17, 738704), (34, 369352), (68, 184676), (136, 92338), (137, 91664), (272, 46169), (274, 45832), (337, 37264), (548, 22916), (674, 18632), (1096, 11458), (1348, 9316), (2192, 5729), (2329, 5392), (2696, 4658)]