1640391489

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{2251}}^1$

素因数の和:2718

約数の個数: 48

約数和(自身を含む): 2744449344

約数和(自身を除く): 1104057855

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 433, 561, 1299, 1683, 2251, 3897, 4763, 6753, 7361, 14289, 20259, 22083, 24761, 38267, 42867, 66249, 74283, 80971, 114801, 222849, 242913, 344403, 420937, 728739, 974683, 1262811, 2924049, 3788433, 8772147, 10721513, 16569611, 32164539, 49708833, 96493617, 149126499, 182265721, 546797163, 1640391489]

約数ペア:

[(1, 1640391489), (3, 546797163), (9, 182265721), (11, 149126499), (17, 96493617), (33, 49708833), (51, 32164539), (99, 16569611), (153, 10721513), (187, 8772147), (433, 3788433), (561, 2924049), (1299, 1262811), (1683, 974683), (2251, 728739), (3897, 420937), (4763, 344403), (6753, 242913), (7361, 222849), (14289, 114801), (20259, 80971), (22083, 74283), (24761, 66249), (38267, 42867)]