161799778

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 304570368

約数和(自身を除く): 142770590

約数列:

[1, 2, 7, 14, 17, 34, 53, 101, 106, 119, 127, 202, 238, 254, 371, 707, 742, 889, 901, 1414, 1717, 1778, 1802, 2159, 3434, 4318, 5353, 6307, 6731, 10706, 12019, 12614, 12827, 13462, 15113, 24038, 25654, 30226, 37471, 47117, 74942, 89789, 91001, 94234, 114427, 179578, 182002, 218059, 228854, 436118, 637007, 679831, 800989, 1274014, 1359662, 1526413, 1601978, 3052826, 4758817, 9517634, 11557127, 23114254, 80899889, 161799778]

約数ペア:

[(1, 161799778), (2, 80899889), (7, 23114254), (14, 11557127), (17, 9517634), (34, 4758817), (53, 3052826), (101, 1601978), (106, 1526413), (119, 1359662), (127, 1274014), (202, 800989), (238, 679831), (254, 637007), (371, 436118), (707, 228854), (742, 218059), (889, 182002), (901, 179578), (1414, 114427), (1717, 94234), (1778, 91001), (1802, 89789), (2159, 74942), (3434, 47117), (4318, 37471), (5353, 30226), (6307, 25654), (6731, 24038), (10706, 15113), (12019, 13462), (12614, 12827)]