51657228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{571}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 149909760

約数和(自身を除く): 98252532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 359, 571, 718, 1077, 1142, 1436, 1713, 2154, 2284, 2513, 3231, 3426, 3997, 4308, 5026, 5139, 6462, 6852, 7539, 7994, 10052, 10278, 11991, 12924, 15078, 15988, 20556, 22617, 23982, 30156, 35973, 45234, 47964, 71946, 90468, 143892, 204989, 409978, 614967, 819956, 1229934, 1434923, 1844901, 2459868, 2869846, 3689802, 4304769, 5739692, 7379604, 8609538, 12914307, 17219076, 25828614, 51657228]

約数ペア:

[(1, 51657228), (2, 25828614), (3, 17219076), (4, 12914307), (6, 8609538), (7, 7379604), (9, 5739692), (12, 4304769), (14, 3689802), (18, 2869846), (21, 2459868), (28, 1844901), (36, 1434923), (42, 1229934), (63, 819956), (84, 614967), (126, 409978), (252, 204989), (359, 143892), (571, 90468), (718, 71946), (1077, 47964), (1142, 45234), (1436, 35973), (1713, 30156), (2154, 23982), (2284, 22617), (2513, 20556), (3231, 15988), (3426, 15078), (3997, 12924), (4308, 11991), (5026, 10278), (5139, 10052), (6462, 7994), (6852, 7539)]