277490486

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 534159360

約数和(自身を除く): 256668874

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 137, 182, 217, 274, 359, 403, 434, 718, 806, 959, 1781, 1918, 2513, 2821, 3562, 4247, 4667, 5026, 5642, 8494, 9334, 11129, 12467, 22258, 24934, 29729, 32669, 49183, 55211, 59458, 65338, 77903, 98366, 110422, 144677, 155806, 289354, 344281, 386477, 639379, 688562, 772954, 1012739, 1278758, 1524673, 2025478, 3049346, 4475653, 8951306, 10672711, 19820749, 21345422, 39641498, 138745243, 277490486]

約数ペア:

[(1, 277490486), (2, 138745243), (7, 39641498), (13, 21345422), (14, 19820749), (26, 10672711), (31, 8951306), (62, 4475653), (91, 3049346), (137, 2025478), (182, 1524673), (217, 1278758), (274, 1012739), (359, 772954), (403, 688562), (434, 639379), (718, 386477), (806, 344281), (959, 289354), (1781, 155806), (1918, 144677), (2513, 110422), (2821, 98366), (3562, 77903), (4247, 65338), (4667, 59458), (5026, 55211), (5642, 49183), (8494, 32669), (9334, 29729), (11129, 24934), (12467, 22258)]