81687984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{243119}}^1$

素因数の和:243137

約数の個数: 40

約数和(自身を含む): 241175040

約数和(自身を除く): 159487056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 243119, 486238, 729357, 972476, 1458714, 1701833, 1944952, 2917428, 3403666, 3889904, 5105499, 5834856, 6807332, 10210998, 11669712, 13614664, 20421996, 27229328, 40843992, 81687984]

約数ペア:

[(1, 81687984), (2, 40843992), (3, 27229328), (4, 20421996), (6, 13614664), (7, 11669712), (8, 10210998), (12, 6807332), (14, 5834856), (16, 5105499), (21, 3889904), (24, 3403666), (28, 2917428), (42, 1944952), (48, 1701833), (56, 1458714), (84, 972476), (112, 729357), (168, 486238), (336, 243119)]