261501144

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{178621}}^1$

素因数の和:178691

約数の個数: 32

約数和(自身を含む): 664473840

約数和(自身を除く): 402972696

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 178621, 357242, 535863, 714484, 1071726, 1428968, 2143452, 4286904, 10895881, 21791762, 32687643, 43583524, 65375286, 87167048, 130750572, 261501144]

約数ペア:

[(1, 261501144), (2, 130750572), (3, 87167048), (4, 65375286), (6, 43583524), (8, 32687643), (12, 21791762), (24, 10895881), (61, 4286904), (122, 2143452), (183, 1428968), (244, 1071726), (366, 714484), (488, 535863), (732, 357242), (1464, 178621)]