1978655042

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:628

約数の個数: 96

約数和(自身を含む): 3870581760

約数和(自身を除く): 1891926718

約数列:

[1, 2, 7, 13, 14, 26, 31, 53, 62, 91, 106, 169, 182, 217, 338, 371, 403, 434, 509, 689, 742, 806, 1018, 1183, 1378, 1643, 2366, 2821, 3286, 3563, 4823, 5239, 5642, 6617, 7126, 8957, 9646, 10478, 11501, 13234, 15779, 17914, 21359, 23002, 26977, 31558, 36673, 42718, 46319, 53954, 62699, 73346, 86021, 92638, 110453, 125398, 149513, 172042, 188839, 205127, 220906, 277667, 299026, 350701, 377678, 410254, 555334, 602147, 701402, 836287, 1204294, 1435889, 1672574, 1943669, 2454907, 2666651, 2871778, 3887338, 4559113, 4909814, 5333302, 5854009, 9118226, 10871731, 11708018, 18666557, 21743462, 31913791, 37333114, 63827582, 76102117, 141332503, 152204234, 282665006, 989327521, 1978655042]

約数ペア:

[(1, 1978655042), (2, 989327521), (7, 282665006), (13, 152204234), (14, 141332503), (26, 76102117), (31, 63827582), (53, 37333114), (62, 31913791), (91, 21743462), (106, 18666557), (169, 11708018), (182, 10871731), (217, 9118226), (338, 5854009), (371, 5333302), (403, 4909814), (434, 4559113), (509, 3887338), (689, 2871778), (742, 2666651), (806, 2454907), (1018, 1943669), (1183, 1672574), (1378, 1435889), (1643, 1204294), (2366, 836287), (2821, 701402), (3286, 602147), (3563, 555334), (4823, 410254), (5239, 377678), (5642, 350701), (6617, 299026), (7126, 277667), (8957, 220906), (9646, 205127), (10478, 188839), (11501, 172042), (13234, 149513), (15779, 125398), (17914, 110453), (21359, 92638), (23002, 86021), (26977, 73346), (31558, 62699), (36673, 53954), (42718, 46319)]