131211912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{420551}}^1$

素因数の和:420573

約数の個数: 32

約数和(自身を含む): 353263680

約数和(自身を除く): 222051768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 420551, 841102, 1261653, 1682204, 2523306, 3364408, 5046612, 5467163, 10093224, 10934326, 16401489, 21868652, 32802978, 43737304, 65605956, 131211912]

約数ペア:

[(1, 131211912), (2, 65605956), (3, 43737304), (4, 32802978), (6, 21868652), (8, 16401489), (12, 10934326), (13, 10093224), (24, 5467163), (26, 5046612), (39, 3364408), (52, 2523306), (78, 1682204), (104, 1261653), (156, 841102), (312, 420551)]