655121377424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1\times {\mathrm{19181}}^1$

素因数の和:19888

約数の個数: 80

約数和(自身を含む): 1344271490880

約数和(自身を除く): 689150113456

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 283, 304, 397, 566, 794, 1132, 1588, 2264, 3176, 4528, 5377, 6352, 7543, 10754, 15086, 19181, 21508, 30172, 38362, 43016, 60344, 76724, 86032, 112351, 120688, 153448, 224702, 306896, 364439, 449404, 728878, 898808, 1457756, 1797616, 2134669, 2915512, 4269338, 5428223, 5831024, 7614857, 8538676, 10856446, 15229714, 17077352, 21712892, 30459428, 34154704, 43425784, 60918856, 86851568, 103136237, 121837712, 144682283, 206272474, 289364566, 412544948, 578729132, 825089896, 1157458264, 1650179792, 2155004531, 2314916528, 4310009062, 8620018124, 17240036248, 34480072496, 40945086089, 81890172178, 163780344356, 327560688712, 655121377424]

約数ペア:

[(1, 655121377424), (2, 327560688712), (4, 163780344356), (8, 81890172178), (16, 40945086089), (19, 34480072496), (38, 17240036248), (76, 8620018124), (152, 4310009062), (283, 2314916528), (304, 2155004531), (397, 1650179792), (566, 1157458264), (794, 825089896), (1132, 578729132), (1588, 412544948), (2264, 289364566), (3176, 206272474), (4528, 144682283), (5377, 121837712), (6352, 103136237), (7543, 86851568), (10754, 60918856), (15086, 43425784), (19181, 34154704), (21508, 30459428), (30172, 21712892), (38362, 17077352), (43016, 15229714), (60344, 10856446), (76724, 8538676), (86032, 7614857), (112351, 5831024), (120688, 5428223), (153448, 4269338), (224702, 2915512), (306896, 2134669), (364439, 1797616), (449404, 1457756), (728878, 898808)]