1285127816

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{5651}}^1$

素因数の和:5826

約数の個数: 64

約数和(自身を含む): 2864885760

約数和(自身を除く): 1579757944

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 131, 217, 248, 262, 434, 524, 868, 917, 1048, 1736, 1834, 3668, 4061, 5651, 7336, 8122, 11302, 16244, 22604, 28427, 32488, 39557, 45208, 56854, 79114, 113708, 158228, 175181, 227416, 316456, 350362, 700724, 740281, 1226267, 1401448, 1480562, 2452534, 2961124, 4905068, 5181967, 5922248, 9810136, 10363934, 20727868, 22948711, 41455736, 45897422, 91794844, 160640977, 183589688, 321281954, 642563908, 1285127816]

約数ペア:

[(1, 1285127816), (2, 642563908), (4, 321281954), (7, 183589688), (8, 160640977), (14, 91794844), (28, 45897422), (31, 41455736), (56, 22948711), (62, 20727868), (124, 10363934), (131, 9810136), (217, 5922248), (248, 5181967), (262, 4905068), (434, 2961124), (524, 2452534), (868, 1480562), (917, 1401448), (1048, 1226267), (1736, 740281), (1834, 700724), (3668, 350362), (4061, 316456), (5651, 227416), (7336, 175181), (8122, 158228), (11302, 113708), (16244, 79114), (22604, 56854), (28427, 45208), (32488, 39557)]