81869808

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{27961}}^1$

素因数の和:28033

約数の個数: 40

約数和(自身を含む): 214971856

約数和(自身を除く): 133102048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 27961, 55922, 83883, 111844, 167766, 223688, 335532, 447376, 671064, 1342128, 1705621, 3411242, 5116863, 6822484, 10233726, 13644968, 20467452, 27289936, 40934904, 81869808]

約数ペア:

[(1, 81869808), (2, 40934904), (3, 27289936), (4, 20467452), (6, 13644968), (8, 10233726), (12, 6822484), (16, 5116863), (24, 3411242), (48, 1705621), (61, 1342128), (122, 671064), (183, 447376), (244, 335532), (366, 223688), (488, 167766), (732, 111844), (976, 83883), (1464, 55922), (2928, 27961)]