1640541669

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 2507366400

約数和(自身を除く): 866824731

約数列:

[1, 3, 13, 31, 39, 59, 93, 109, 177, 211, 327, 403, 633, 767, 1209, 1417, 1829, 2301, 2743, 3379, 4251, 5487, 6431, 6541, 8229, 10137, 12449, 19293, 19623, 22999, 23777, 37347, 43927, 68997, 71331, 83603, 85033, 131781, 161837, 199361, 250809, 255099, 298987, 385919, 485511, 598083, 712969, 896961, 1157757, 1356941, 2138907, 2591693, 4070823, 5016947, 7775079, 9268597, 15050841, 17640233, 27805791, 42065171, 52920699, 126195513, 546847223, 1640541669]

約数ペア:

[(1, 1640541669), (3, 546847223), (13, 126195513), (31, 52920699), (39, 42065171), (59, 27805791), (93, 17640233), (109, 15050841), (177, 9268597), (211, 7775079), (327, 5016947), (403, 4070823), (633, 2591693), (767, 2138907), (1209, 1356941), (1417, 1157757), (1829, 896961), (2301, 712969), (2743, 598083), (3379, 485511), (4251, 385919), (5487, 298987), (6431, 255099), (6541, 250809), (8229, 199361), (10137, 161837), (12449, 131781), (19293, 85033), (19623, 83603), (22999, 71331), (23777, 68997), (37347, 43927)]